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Finding the Fourth Proportional to 15,770,130.20, 23,655,195.30 and 15,770,130.20

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Solution

The fourth proportional to 15,770,130.20, 23,655,195.30 and 15,770,130.20 is: 23,655,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,130.20 : 23,655,195.30 = 15,770,130.20 : x
  2. Step 2: Convert to fraction form
    15,770,130.20/23,655,195.30 = 15,770,130.20/x
  3. Step 3: Cross multiply
    15,770,130.20x = 23,655,195.30 × 15,770,130.20
  4. Step 4: Simplify right side
    15,770,130.20x = 373,045,509,787,428.06
  5. Step 5: Solve for x
    x = 373,045,509,787,428.06/15,770,130.20
  6. Step 6: Final answer
    x = 23,655,195.30

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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.