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Finding the Fourth Proportional to 119,693.76, 179,593.38 and 63,520.20

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Solution

The fourth proportional to 119,693.76, 179,593.38 and 63,520.20 is: 95,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,693.76 : 179,593.38 = 63,520.20 : x
  2. Step 2: Convert to fraction form
    119,693.76/179,593.38 = 63,520.20/x
  3. Step 3: Cross multiply
    119,693.76x = 179,593.38 × 63,520.20
  4. Step 4: Simplify right side
    119,693.76x = 11,407,807,416.28
  5. Step 5: Solve for x
    x = 11,407,807,416.28/119,693.76
  6. Step 6: Final answer
    x = 95,308.29

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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.