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Finding the Fourth Proportional to 267,372.90, 401,044.59 and 89,861.58

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Solution

The fourth proportional to 267,372.90, 401,044.59 and 89,861.58 is: 134,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,372.90 : 401,044.59 = 89,861.58 : x
  2. Step 2: Convert to fraction form
    267,372.90/401,044.59 = 89,861.58/x
  3. Step 3: Cross multiply
    267,372.90x = 401,044.59 × 89,861.58
  4. Step 4: Simplify right side
    267,372.90x = 36,038,500,507.85
  5. Step 5: Solve for x
    x = 36,038,500,507.85/267,372.90
  6. Step 6: Final answer
    x = 134,787.41

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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.