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Finding the Fourth Proportional to 119,488.74, 179,259.12 and 36,380.58

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Solution

The fourth proportional to 119,488.74, 179,259.12 and 36,380.58 is: 54,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,488.74 : 179,259.12 = 36,380.58 : x
  2. Step 2: Convert to fraction form
    119,488.74/179,259.12 = 36,380.58/x
  3. Step 3: Cross multiply
    119,488.74x = 179,259.12 × 36,380.58
  4. Step 4: Simplify right side
    119,488.74x = 6,521,550,755.89
  5. Step 5: Solve for x
    x = 6,521,550,755.89/119,488.74
  6. Step 6: Final answer
    x = 54,578.79

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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.