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Finding the Fourth Proportional to 104,575.25, 156,793.52 and 38,007.47

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Solution

The fourth proportional to 104,575.25, 156,793.52 and 38,007.47 is: 56,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575.25 : 156,793.52 = 38,007.47 : x
  2. Step 2: Convert to fraction form
    104,575.25/156,793.52 = 38,007.47/x
  3. Step 3: Cross multiply
    104,575.25x = 156,793.52 × 38,007.47
  4. Step 4: Simplify right side
    104,575.25x = 5,959,324,318.65
  5. Step 5: Solve for x
    x = 5,959,324,318.65/104,575.25
  6. Step 6: Final answer
    x = 56,985.99

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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.