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Finding the Fourth Proportional to 267,393.72, 401,093.82 and 89,900.04

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Solution

The fourth proportional to 267,393.72, 401,093.82 and 89,900.04 is: 134,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,393.72 : 401,093.82 = 89,900.04 : x
  2. Step 2: Convert to fraction form
    267,393.72/401,093.82 = 89,900.04/x
  3. Step 3: Cross multiply
    267,393.72x = 401,093.82 × 89,900.04
  4. Step 4: Simplify right side
    267,393.72x = 36,058,350,461.75
  5. Step 5: Solve for x
    x = 36,058,350,461.75/267,393.72
  6. Step 6: Final answer
    x = 134,851.15

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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.