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Finding the Fourth Proportional to 267,512.49, 401,321.16 and 99,034.20

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Solution

The fourth proportional to 267,512.49, 401,321.16 and 99,034.20 is: 148,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,512.49 : 401,321.16 = 99,034.20 : x
  2. Step 2: Convert to fraction form
    267,512.49/401,321.16 = 99,034.20/x
  3. Step 3: Cross multiply
    267,512.49x = 401,321.16 × 99,034.20
  4. Step 4: Simplify right side
    267,512.49x = 39,744,520,023.67
  5. Step 5: Solve for x
    x = 39,744,520,023.67/267,512.49
  6. Step 6: Final answer
    x = 148,570.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.