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Finding the Fourth Proportional to 92,216.97, 138,233.11 and 35,979.71

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Solution

The fourth proportional to 92,216.97, 138,233.11 and 35,979.71 is: 53,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,216.97 : 138,233.11 = 35,979.71 : x
  2. Step 2: Convert to fraction form
    92,216.97/138,233.11 = 35,979.71/x
  3. Step 3: Cross multiply
    92,216.97x = 138,233.11 × 35,979.71
  4. Step 4: Simplify right side
    92,216.97x = 4,973,587,210.20
  5. Step 5: Solve for x
    x = 4,973,587,210.20/92,216.97
  6. Step 6: Final answer
    x = 53,933.54

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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.