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Finding the Fourth Proportional to 137,640,289,401.40, 206,460,434,102.10 and 137,640,289,401.40

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Solution

The fourth proportional to 137,640,289,401.40, 206,460,434,102.10 and 137,640,289,401.40 is: 206,460,434,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,640,289,401.40 : 206,460,434,102.10 = 137,640,289,401.40 : x
  2. Step 2: Convert to fraction form
    137,640,289,401.40/206,460,434,102.10 = 137,640,289,401.40/x
  3. Step 3: Cross multiply
    137,640,289,401.40x = 206,460,434,102.10 × 137,640,289,401.40
  4. Step 4: Simplify right side
    137,640,289,401.40x = 28,417,273,899,751,716,159,488
  5. Step 5: Solve for x
    x = 28,417,273,899,751,716,159,488/137,640,289,401.40
  6. Step 6: Final answer
    x = 206,460,434,102.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.