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Finding the Fourth Proportional to 267,494.43, 400,990.47 and 89,877.23

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Solution

The fourth proportional to 267,494.43, 400,990.47 and 89,877.23 is: 134,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,494.43 : 400,990.47 = 89,877.23 : x
  2. Step 2: Convert to fraction form
    267,494.43/400,990.47 = 89,877.23/x
  3. Step 3: Cross multiply
    267,494.43x = 400,990.47 × 89,877.23
  4. Step 4: Simplify right side
    267,494.43x = 36,039,912,700.00
  5. Step 5: Solve for x
    x = 36,039,912,700.00/267,494.43
  6. Step 6: Final answer
    x = 134,731.45

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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.