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Finding the Fourth Proportional to 267,251.40, 400,881.35 and 89,759.95

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Solution

The fourth proportional to 267,251.40, 400,881.35 and 89,759.95 is: 134,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,251.40 : 400,881.35 = 89,759.95 : x
  2. Step 2: Convert to fraction form
    267,251.40/400,881.35 = 89,759.95/x
  3. Step 3: Cross multiply
    267,251.40x = 400,881.35 × 89,759.95
  4. Step 4: Simplify right side
    267,251.40x = 35,983,089,154.13
  5. Step 5: Solve for x
    x = 35,983,089,154.13/267,251.40
  6. Step 6: Final answer
    x = 134,641.35

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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.