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Finding the Fourth Proportional to 119,612.68, 179,418.84 and 36,506.68

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Solution

The fourth proportional to 119,612.68, 179,418.84 and 36,506.68 is: 54,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,612.68 : 179,418.84 = 36,506.68 : x
  2. Step 2: Convert to fraction form
    119,612.68/179,418.84 = 36,506.68/x
  3. Step 3: Cross multiply
    119,612.68x = 179,418.84 × 36,506.68
  4. Step 4: Simplify right side
    119,612.68x = 6,549,986,177.85
  5. Step 5: Solve for x
    x = 6,549,986,177.85/119,612.68
  6. Step 6: Final answer
    x = 54,759.97

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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.