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Finding the Fourth Proportional to 92,250.57, 138,379.50 and 25,696.52

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Solution

The fourth proportional to 92,250.57, 138,379.50 and 25,696.52 is: 38,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,250.57 : 138,379.50 = 25,696.52 : x
  2. Step 2: Convert to fraction form
    92,250.57/138,379.50 = 25,696.52/x
  3. Step 3: Cross multiply
    92,250.57x = 138,379.50 × 25,696.52
  4. Step 4: Simplify right side
    92,250.57x = 3,555,871,589.34
  5. Step 5: Solve for x
    x = 3,555,871,589.34/92,250.57
  6. Step 6: Final answer
    x = 38,545.80

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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.