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Finding the Fourth Proportional to 69,294.29, 103,920.87 and 29,842.22

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Solution

The fourth proportional to 69,294.29, 103,920.87 and 29,842.22 is: 44,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,294.29 : 103,920.87 = 29,842.22 : x
  2. Step 2: Convert to fraction form
    69,294.29/103,920.87 = 29,842.22/x
  3. Step 3: Cross multiply
    69,294.29x = 103,920.87 × 29,842.22
  4. Step 4: Simplify right side
    69,294.29x = 3,101,229,836.84
  5. Step 5: Solve for x
    x = 3,101,229,836.84/69,294.29
  6. Step 6: Final answer
    x = 44,754.48

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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.