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Finding the Fourth Proportional to 97,332, 134,337.60 and 54,891.24

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Solution

The fourth proportional to 97,332, 134,337.60 and 54,891.24 is: 75,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,332 : 134,337.60 = 54,891.24 : x
  2. Step 2: Convert to fraction form
    97,332/134,337.60 = 54,891.24/x
  3. Step 3: Cross multiply
    97,332x = 134,337.60 × 54,891.24
  4. Step 4: Simplify right side
    97,332x = 7,373,957,442.62
  5. Step 5: Solve for x
    x = 7,373,957,442.62/97,332
  6. Step 6: Final answer
    x = 75,760.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.