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Finding the Fourth Proportional to 448,074.93, 672,243.62 and 132,540.24

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Solution

The fourth proportional to 448,074.93, 672,243.62 and 132,540.24 is: 198,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,074.93 : 672,243.62 = 132,540.24 : x
  2. Step 2: Convert to fraction form
    448,074.93/672,243.62 = 132,540.24/x
  3. Step 3: Cross multiply
    448,074.93x = 672,243.62 × 132,540.24
  4. Step 4: Simplify right side
    448,074.93x = 89,099,330,733.27
  5. Step 5: Solve for x
    x = 89,099,330,733.27/448,074.93
  6. Step 6: Final answer
    x = 198,849.18

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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.