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Finding the Fourth Proportional to 448,539.92, 672,695.24 and 132,923.12

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Solution

The fourth proportional to 448,539.92, 672,695.24 and 132,923.12 is: 199,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,539.92 : 672,695.24 = 132,923.12 : x
  2. Step 2: Convert to fraction form
    448,539.92/672,695.24 = 132,923.12/x
  3. Step 3: Cross multiply
    448,539.92x = 672,695.24 × 132,923.12
  4. Step 4: Simplify right side
    448,539.92x = 89,416,750,109.95
  5. Step 5: Solve for x
    x = 89,416,750,109.95/448,539.92
  6. Step 6: Final answer
    x = 199,350.71

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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.