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Finding the Fourth Proportional to 109,992.26, 151,789.32 and 59,691.26

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Solution

The fourth proportional to 109,992.26, 151,789.32 and 59,691.26 is: 82,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,992.26 : 151,789.32 = 59,691.26 : x
  2. Step 2: Convert to fraction form
    109,992.26/151,789.32 = 59,691.26/x
  3. Step 3: Cross multiply
    109,992.26x = 151,789.32 × 59,691.26
  4. Step 4: Simplify right side
    109,992.26x = 9,060,495,765.34
  5. Step 5: Solve for x
    x = 9,060,495,765.34/109,992.26
  6. Step 6: Final answer
    x = 82,373.94

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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.