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Finding the Fourth Proportional to 92,247.76, 138,279.18 and 36,010.54

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Solution

The fourth proportional to 92,247.76, 138,279.18 and 36,010.54 is: 53,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,247.76 : 138,279.18 = 36,010.54 : x
  2. Step 2: Convert to fraction form
    92,247.76/138,279.18 = 36,010.54/x
  3. Step 3: Cross multiply
    92,247.76x = 138,279.18 × 36,010.54
  4. Step 4: Simplify right side
    92,247.76x = 4,979,507,942.56
  5. Step 5: Solve for x
    x = 4,979,507,942.56/92,247.76
  6. Step 6: Final answer
    x = 53,979.72

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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.