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Finding the Fourth Proportional to 267,451.54, 401,197.11 and 89,957.86

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Solution

The fourth proportional to 267,451.54, 401,197.11 and 89,957.86 is: 134,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,451.54 : 401,197.11 = 89,957.86 : x
  2. Step 2: Convert to fraction form
    267,451.54/401,197.11 = 89,957.86/x
  3. Step 3: Cross multiply
    267,451.54x = 401,197.11 × 89,957.86
  4. Step 4: Simplify right side
    267,451.54x = 36,090,833,453.78
  5. Step 5: Solve for x
    x = 36,090,833,453.78/267,451.54
  6. Step 6: Final answer
    x = 134,943.45

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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.