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Finding the Fourth Proportional to 448,562.48, 672,951.84 and 168,082.16

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Solution

The fourth proportional to 448,562.48, 672,951.84 and 168,082.16 is: 252,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,562.48 : 672,951.84 = 168,082.16 : x
  2. Step 2: Convert to fraction form
    448,562.48/672,951.84 = 168,082.16/x
  3. Step 3: Cross multiply
    448,562.48x = 672,951.84 × 168,082.16
  4. Step 4: Simplify right side
    448,562.48x = 113,111,198,843.17
  5. Step 5: Solve for x
    x = 113,111,198,843.17/448,562.48
  6. Step 6: Final answer
    x = 252,163.75

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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.