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Finding the Fourth Proportional to 93,699.62, 140,540.28 and 51,565.85

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Solution

The fourth proportional to 93,699.62, 140,540.28 and 51,565.85 is: 77,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,699.62 : 140,540.28 = 51,565.85 : x
  2. Step 2: Convert to fraction form
    93,699.62/140,540.28 = 51,565.85/x
  3. Step 3: Cross multiply
    93,699.62x = 140,540.28 × 51,565.85
  4. Step 4: Simplify right side
    93,699.62x = 7,247,078,997.44
  5. Step 5: Solve for x
    x = 7,247,078,997.44/93,699.62
  6. Step 6: Final answer
    x = 77,343.74

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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.