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Finding the Fourth Proportional to 448,540.92, 672,696.74 and 132,924.12

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Solution

The fourth proportional to 448,540.92, 672,696.74 and 132,924.12 is: 199,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,540.92 : 672,696.74 = 132,924.12 : x
  2. Step 2: Convert to fraction form
    448,540.92/672,696.74 = 132,924.12/x
  3. Step 3: Cross multiply
    448,540.92x = 672,696.74 × 132,924.12
  4. Step 4: Simplify right side
    448,540.92x = 89,417,622,191.37
  5. Step 5: Solve for x
    x = 89,417,622,191.37/448,540.92
  6. Step 6: Final answer
    x = 199,352.21

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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.