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Finding the Fourth Proportional to 119,757.60, 179,665.25 and 44,878.39

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Solution

The fourth proportional to 119,757.60, 179,665.25 and 44,878.39 is: 67,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,757.60 : 179,665.25 = 44,878.39 : x
  2. Step 2: Convert to fraction form
    119,757.60/179,665.25 = 44,878.39/x
  3. Step 3: Cross multiply
    119,757.60x = 179,665.25 × 44,878.39
  4. Step 4: Simplify right side
    119,757.60x = 8,063,087,720.31
  5. Step 5: Solve for x
    x = 8,063,087,720.31/119,757.60
  6. Step 6: Final answer
    x = 67,328.40

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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.