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Finding the Fourth Proportional to 69,332.84, 104,020.16 and 29,331.26

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Solution

The fourth proportional to 69,332.84, 104,020.16 and 29,331.26 is: 44,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.84 : 104,020.16 = 29,331.26 : x
  2. Step 2: Convert to fraction form
    69,332.84/104,020.16 = 29,331.26/x
  3. Step 3: Cross multiply
    69,332.84x = 104,020.16 × 29,331.26
  4. Step 4: Simplify right side
    69,332.84x = 3,051,042,358.20
  5. Step 5: Solve for x
    x = 3,051,042,358.20/69,332.84
  6. Step 6: Final answer
    x = 44,005.73

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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.