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Finding the Fourth Proportional to 62,472.60, 93,563.10 and 61,219.80

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Solution

The fourth proportional to 62,472.60, 93,563.10 and 61,219.80 is: 91,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.60 : 93,563.10 = 61,219.80 : x
  2. Step 2: Convert to fraction form
    62,472.60/93,563.10 = 61,219.80/x
  3. Step 3: Cross multiply
    62,472.60x = 93,563.10 × 61,219.80
  4. Step 4: Simplify right side
    62,472.60x = 5,727,914,269.38
  5. Step 5: Solve for x
    x = 5,727,914,269.38/62,472.60
  6. Step 6: Final answer
    x = 91,686.82

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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.