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Finding the Fourth Proportional to 60,600.30, 90,791.10 and 53,601.90

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Solution

The fourth proportional to 60,600.30, 90,791.10 and 53,601.90 is: 80,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,600.30 : 90,791.10 = 53,601.90 : x
  2. Step 2: Convert to fraction form
    60,600.30/90,791.10 = 53,601.90/x
  3. Step 3: Cross multiply
    60,600.30x = 90,791.10 × 53,601.90
  4. Step 4: Simplify right side
    60,600.30x = 4,866,575,463.09
  5. Step 5: Solve for x
    x = 4,866,575,463.09/60,600.30
  6. Step 6: Final answer
    x = 80,306.13

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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.