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Finding the Fourth Proportional to 267,110.55, 400,740.92 and 107,298.69

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Solution

The fourth proportional to 267,110.55, 400,740.92 and 107,298.69 is: 160,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,110.55 : 400,740.92 = 107,298.69 : x
  2. Step 2: Convert to fraction form
    267,110.55/400,740.92 = 107,298.69/x
  3. Step 3: Cross multiply
    267,110.55x = 400,740.92 × 107,298.69
  4. Step 4: Simplify right side
    267,110.55x = 42,998,975,208.90
  5. Step 5: Solve for x
    x = 42,998,975,208.90/267,110.55
  6. Step 6: Final answer
    x = 160,978.20

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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.