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Finding the Fourth Proportional to 267,549.90, 401,386.41 and 90,052.17

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Solution

The fourth proportional to 267,549.90, 401,386.41 and 90,052.17 is: 135,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,549.90 : 401,386.41 = 90,052.17 : x
  2. Step 2: Convert to fraction form
    267,549.90/401,386.41 = 90,052.17/x
  3. Step 3: Cross multiply
    267,549.90x = 401,386.41 × 90,052.17
  4. Step 4: Simplify right side
    267,549.90x = 36,145,717,229.01
  5. Step 5: Solve for x
    x = 36,145,717,229.01/267,549.90
  6. Step 6: Final answer
    x = 135,098.97

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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.