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Finding the Fourth Proportional to 103,472.55, 155,227.05 and 36,951.30

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Solution

The fourth proportional to 103,472.55, 155,227.05 and 36,951.30 is: 55,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,472.55 : 155,227.05 = 36,951.30 : x
  2. Step 2: Convert to fraction form
    103,472.55/155,227.05 = 36,951.30/x
  3. Step 3: Cross multiply
    103,472.55x = 155,227.05 × 36,951.30
  4. Step 4: Simplify right side
    103,472.55x = 5,735,841,292.67
  5. Step 5: Solve for x
    x = 5,735,841,292.67/103,472.55
  6. Step 6: Final answer
    x = 55,433.46

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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.