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Finding the Fourth Proportional to 100,793.73, 151,323.44 and 58,712.61

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Solution

The fourth proportional to 100,793.73, 151,323.44 and 58,712.61 is: 88,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,793.73 : 151,323.44 = 58,712.61 : x
  2. Step 2: Convert to fraction form
    100,793.73/151,323.44 = 58,712.61/x
  3. Step 3: Cross multiply
    100,793.73x = 151,323.44 × 58,712.61
  4. Step 4: Simplify right side
    100,793.73x = 8,884,594,116.58
  5. Step 5: Solve for x
    x = 8,884,594,116.58/100,793.73
  6. Step 6: Final answer
    x = 88,146.30

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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.