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Finding the Fourth Proportional to 159,452,838.90, 223,385,139.90 and 159,452,838.90

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Solution

The fourth proportional to 159,452,838.90, 223,385,139.90 and 159,452,838.90 is: 223,385,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,452,838.90 : 223,385,139.90 = 159,452,838.90 : x
  2. Step 2: Convert to fraction form
    159,452,838.90/223,385,139.90 = 159,452,838.90/x
  3. Step 3: Cross multiply
    159,452,838.90x = 223,385,139.90 × 159,452,838.90
  4. Step 4: Simplify right side
    159,452,838.90x = 35,619,394,725,128,664
  5. Step 5: Solve for x
    x = 35,619,394,725,128,664/159,452,838.90
  6. Step 6: Final answer
    x = 223,385,139.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.