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Finding the Fourth Proportional to 92,565.52, 138,819.55 and 33,393.48

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Solution

The fourth proportional to 92,565.52, 138,819.55 and 33,393.48 is: 50,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,565.52 : 138,819.55 = 33,393.48 : x
  2. Step 2: Convert to fraction form
    92,565.52/138,819.55 = 33,393.48/x
  3. Step 3: Cross multiply
    92,565.52x = 138,819.55 × 33,393.48
  4. Step 4: Simplify right side
    92,565.52x = 4,635,667,866.53
  5. Step 5: Solve for x
    x = 4,635,667,866.53/92,565.52
  6. Step 6: Final answer
    x = 50,079.86

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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.