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Finding the Fourth Proportional to 119,218.28, 178,799.67 and 44,373.68

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Solution

The fourth proportional to 119,218.28, 178,799.67 and 44,373.68 is: 66,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,218.28 : 178,799.67 = 44,373.68 : x
  2. Step 2: Convert to fraction form
    119,218.28/178,799.67 = 44,373.68/x
  3. Step 3: Cross multiply
    119,218.28x = 178,799.67 × 44,373.68
  4. Step 4: Simplify right side
    119,218.28x = 7,933,998,446.69
  5. Step 5: Solve for x
    x = 7,933,998,446.69/119,218.28
  6. Step 6: Final answer
    x = 66,550.19

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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.