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Finding the Fourth Proportional to 667,174.88, 1,000,753.35 and 161,740.22

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Solution

The fourth proportional to 667,174.88, 1,000,753.35 and 161,740.22 is: 242,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,174.88 : 1,000,753.35 = 161,740.22 : x
  2. Step 2: Convert to fraction form
    667,174.88/1,000,753.35 = 161,740.22/x
  3. Step 3: Cross multiply
    667,174.88x = 1,000,753.35 × 161,740.22
  4. Step 4: Simplify right side
    667,174.88x = 161,862,061,990.97
  5. Step 5: Solve for x
    x = 161,862,061,990.97/667,174.88
  6. Step 6: Final answer
    x = 242,608.15

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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.