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Finding the Fourth Proportional to 119,695.87, 179,319.57 and 107,372.13

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Solution

The fourth proportional to 119,695.87, 179,319.57 and 107,372.13 is: 160,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,695.87 : 179,319.57 = 107,372.13 : x
  2. Step 2: Convert to fraction form
    119,695.87/179,319.57 = 107,372.13/x
  3. Step 3: Cross multiply
    119,695.87x = 179,319.57 × 107,372.13
  4. Step 4: Simplify right side
    119,695.87x = 19,253,924,181.58
  5. Step 5: Solve for x
    x = 19,253,924,181.58/119,695.87
  6. Step 6: Final answer
    x = 160,857.05

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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.