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Finding the Fourth Proportional to 79,925.40, 119,843.96 and 50,279.81

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Solution

The fourth proportional to 79,925.40, 119,843.96 and 50,279.81 is: 75,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,925.40 : 119,843.96 = 50,279.81 : x
  2. Step 2: Convert to fraction form
    79,925.40/119,843.96 = 50,279.81/x
  3. Step 3: Cross multiply
    79,925.40x = 119,843.96 × 50,279.81
  4. Step 4: Simplify right side
    79,925.40x = 6,025,730,687.83
  5. Step 5: Solve for x
    x = 6,025,730,687.83/79,925.40
  6. Step 6: Final answer
    x = 75,391.94

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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.