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Finding the Fourth Proportional to 159,753.52, 220,458.42 and 88,134.14

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Solution

The fourth proportional to 159,753.52, 220,458.42 and 88,134.14 is: 121,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.52 : 220,458.42 = 88,134.14 : x
  2. Step 2: Convert to fraction form
    159,753.52/220,458.42 = 88,134.14/x
  3. Step 3: Cross multiply
    159,753.52x = 220,458.42 × 88,134.14
  4. Step 4: Simplify right side
    159,753.52x = 19,429,913,252.46
  5. Step 5: Solve for x
    x = 19,429,913,252.46/159,753.52
  6. Step 6: Final answer
    x = 121,624.32

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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.