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Finding the Fourth Proportional to 92,500.38, 138,751.38 and 22,379.76

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Solution

The fourth proportional to 92,500.38, 138,751.38 and 22,379.76 is: 33,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,500.38 : 138,751.38 = 22,379.76 : x
  2. Step 2: Convert to fraction form
    92,500.38/138,751.38 = 22,379.76/x
  3. Step 3: Cross multiply
    92,500.38x = 138,751.38 × 22,379.76
  4. Step 4: Simplify right side
    92,500.38x = 3,105,222,584.07
  5. Step 5: Solve for x
    x = 3,105,222,584.07/92,500.38
  6. Step 6: Final answer
    x = 33,569.84

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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.