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Finding the Fourth Proportional to 448,085.88, 672,255.54 and 132,541.56

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Solution

The fourth proportional to 448,085.88, 672,255.54 and 132,541.56 is: 198,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,085.88 : 672,255.54 = 132,541.56 : x
  2. Step 2: Convert to fraction form
    448,085.88/672,255.54 = 132,541.56/x
  3. Step 3: Cross multiply
    448,085.88x = 672,255.54 × 132,541.56
  4. Step 4: Simplify right side
    448,085.88x = 89,101,797,990.24
  5. Step 5: Solve for x
    x = 89,101,797,990.24/448,085.88
  6. Step 6: Final answer
    x = 198,849.82

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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.