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Finding the Fourth Proportional to 92,034.67, 138,051.84 and 25,474.61

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Solution

The fourth proportional to 92,034.67, 138,051.84 and 25,474.61 is: 38,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034.67 : 138,051.84 = 25,474.61 : x
  2. Step 2: Convert to fraction form
    92,034.67/138,051.84 = 25,474.61/x
  3. Step 3: Cross multiply
    92,034.67x = 138,051.84 × 25,474.61
  4. Step 4: Simplify right side
    92,034.67x = 3,516,816,783.78
  5. Step 5: Solve for x
    x = 3,516,816,783.78/92,034.67
  6. Step 6: Final answer
    x = 38,211.87

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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.