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Finding the Fourth Proportional to 267,351.90, 401,027.85 and 89,799.90

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Solution

The fourth proportional to 267,351.90, 401,027.85 and 89,799.90 is: 134,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,351.90 : 401,027.85 = 89,799.90 : x
  2. Step 2: Convert to fraction form
    267,351.90/401,027.85 = 89,799.90/x
  3. Step 3: Cross multiply
    267,351.90x = 401,027.85 × 89,799.90
  4. Step 4: Simplify right side
    267,351.90x = 36,012,260,827.22
  5. Step 5: Solve for x
    x = 36,012,260,827.22/267,351.90
  6. Step 6: Final answer
    x = 134,699.85

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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.