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Finding the Fourth Proportional to 60,755.16, 90,693.22 and 52,488.30

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Solution

The fourth proportional to 60,755.16, 90,693.22 and 52,488.30 is: 78,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.16 : 90,693.22 = 52,488.30 : x
  2. Step 2: Convert to fraction form
    60,755.16/90,693.22 = 52,488.30/x
  3. Step 3: Cross multiply
    60,755.16x = 90,693.22 × 52,488.30
  4. Step 4: Simplify right side
    60,755.16x = 4,760,332,808.11
  5. Step 5: Solve for x
    x = 4,760,332,808.11/60,755.16
  6. Step 6: Final answer
    x = 78,352.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.