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Finding the Fourth Proportional to 188,951.53, 283,044.56 and 87,606.86

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Solution

The fourth proportional to 188,951.53, 283,044.56 and 87,606.86 is: 131,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,951.53 : 283,044.56 = 87,606.86 : x
  2. Step 2: Convert to fraction form
    188,951.53/283,044.56 = 87,606.86/x
  3. Step 3: Cross multiply
    188,951.53x = 283,044.56 × 87,606.86
  4. Step 4: Simplify right side
    188,951.53x = 24,796,643,726.46
  5. Step 5: Solve for x
    x = 24,796,643,726.46/188,951.53
  6. Step 6: Final answer
    x = 131,232.83

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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.