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Finding the Fourth Proportional to 69,543.81, 104,335.16 and 22,829.49

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Solution

The fourth proportional to 69,543.81, 104,335.16 and 22,829.49 is: 34,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.81 : 104,335.16 = 22,829.49 : x
  2. Step 2: Convert to fraction form
    69,543.81/104,335.16 = 22,829.49/x
  3. Step 3: Cross multiply
    69,543.81x = 104,335.16 × 22,829.49
  4. Step 4: Simplify right side
    69,543.81x = 2,381,918,377.72
  5. Step 5: Solve for x
    x = 2,381,918,377.72/69,543.81
  6. Step 6: Final answer
    x = 34,250.62

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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.