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Finding the Fourth Proportional to 67,469.11, 101,207.31 and 17,549.32

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Solution

The fourth proportional to 67,469.11, 101,207.31 and 17,549.32 is: 26,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,469.11 : 101,207.31 = 17,549.32 : x
  2. Step 2: Convert to fraction form
    67,469.11/101,207.31 = 17,549.32/x
  3. Step 3: Cross multiply
    67,469.11x = 101,207.31 × 17,549.32
  4. Step 4: Simplify right side
    67,469.11x = 1,776,119,216.51
  5. Step 5: Solve for x
    x = 1,776,119,216.51/67,469.11
  6. Step 6: Final answer
    x = 26,324.92

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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.