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Finding the Fourth Proportional to 444,714.08, 667,082.06 and 129,173.72

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Solution

The fourth proportional to 444,714.08, 667,082.06 and 129,173.72 is: 193,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,714.08 : 667,082.06 = 129,173.72 : x
  2. Step 2: Convert to fraction form
    444,714.08/667,082.06 = 129,173.72/x
  3. Step 3: Cross multiply
    444,714.08x = 667,082.06 × 129,173.72
  4. Step 4: Simplify right side
    444,714.08x = 86,169,467,254.18
  5. Step 5: Solve for x
    x = 86,169,467,254.18/444,714.08
  6. Step 6: Final answer
    x = 193,763.75

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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.