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Finding the Fourth Proportional to 91,789.92, 137,658.42 and 25,232.22

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Solution

The fourth proportional to 91,789.92, 137,658.42 and 25,232.22 is: 37,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,789.92 : 137,658.42 = 25,232.22 : x
  2. Step 2: Convert to fraction form
    91,789.92/137,658.42 = 25,232.22/x
  3. Step 3: Cross multiply
    91,789.92x = 137,658.42 × 25,232.22
  4. Step 4: Simplify right side
    91,789.92x = 3,473,427,538.29
  5. Step 5: Solve for x
    x = 3,473,427,538.29/91,789.92
  6. Step 6: Final answer
    x = 37,841.06

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1.5x scale

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.