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Finding the Fourth Proportional to 69,934.81, 104,901.43 and 41,862.71

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Solution

The fourth proportional to 69,934.81, 104,901.43 and 41,862.71 is: 62,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,934.81 : 104,901.43 = 41,862.71 : x
  2. Step 2: Convert to fraction form
    69,934.81/104,901.43 = 41,862.71/x
  3. Step 3: Cross multiply
    69,934.81x = 104,901.43 × 41,862.71
  4. Step 4: Simplify right side
    69,934.81x = 4,391,458,142.68
  5. Step 5: Solve for x
    x = 4,391,458,142.68/69,934.81
  6. Step 6: Final answer
    x = 62,793.60

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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.