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Finding the Fourth Proportional to 267,902.01, 401,923.05 and 155,474.15

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Solution

The fourth proportional to 267,902.01, 401,923.05 and 155,474.15 is: 233,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,902.01 : 401,923.05 = 155,474.15 : x
  2. Step 2: Convert to fraction form
    267,902.01/401,923.05 = 155,474.15/x
  3. Step 3: Cross multiply
    267,902.01x = 401,923.05 × 155,474.15
  4. Step 4: Simplify right side
    267,902.01x = 62,488,644,888.24
  5. Step 5: Solve for x
    x = 62,488,644,888.24/267,902.01
  6. Step 6: Final answer
    x = 233,251.87

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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.