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Finding the Fourth Proportional to 267,061.48, 400,581.75 and 67,379.38

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Solution

The fourth proportional to 267,061.48, 400,581.75 and 67,379.38 is: 101,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,061.48 : 400,581.75 = 67,379.38 : x
  2. Step 2: Convert to fraction form
    267,061.48/400,581.75 = 67,379.38/x
  3. Step 3: Cross multiply
    267,061.48x = 400,581.75 × 67,379.38
  4. Step 4: Simplify right side
    267,061.48x = 26,990,949,954.32
  5. Step 5: Solve for x
    x = 26,990,949,954.32/267,061.48
  6. Step 6: Final answer
    x = 101,066.43

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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.