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Finding the Fourth Proportional to 267,724.22, 401,587.71 and 90,232.76

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Solution

The fourth proportional to 267,724.22, 401,587.71 and 90,232.76 is: 135,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,724.22 : 401,587.71 = 90,232.76 : x
  2. Step 2: Convert to fraction form
    267,724.22/401,587.71 = 90,232.76/x
  3. Step 3: Cross multiply
    267,724.22x = 401,587.71 × 90,232.76
  4. Step 4: Simplify right side
    267,724.22x = 36,236,368,120.98
  5. Step 5: Solve for x
    x = 36,236,368,120.98/267,724.22
  6. Step 6: Final answer
    x = 135,349.61

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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.