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Finding the Fourth Proportional to 202,747.20, 304,149.60 and 62,491.20

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Solution

The fourth proportional to 202,747.20, 304,149.60 and 62,491.20 is: 93,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,747.20 : 304,149.60 = 62,491.20 : x
  2. Step 2: Convert to fraction form
    202,747.20/304,149.60 = 62,491.20/x
  3. Step 3: Cross multiply
    202,747.20x = 304,149.60 × 62,491.20
  4. Step 4: Simplify right side
    202,747.20x = 19,006,673,483.52
  5. Step 5: Solve for x
    x = 19,006,673,483.52/202,747.20
  6. Step 6: Final answer
    x = 93,745.68

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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.