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Finding the Fourth Proportional to 267,551.76, 401,369.15 and 90,044.92

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Solution

The fourth proportional to 267,551.76, 401,369.15 and 90,044.92 is: 135,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,551.76 : 401,369.15 = 90,044.92 : x
  2. Step 2: Convert to fraction form
    267,551.76/401,369.15 = 90,044.92/x
  3. Step 3: Cross multiply
    267,551.76x = 401,369.15 × 90,044.92
  4. Step 4: Simplify right side
    267,551.76x = 36,141,252,223.91
  5. Step 5: Solve for x
    x = 36,141,252,223.91/267,551.76
  6. Step 6: Final answer
    x = 135,081.35

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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.