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Finding the Fourth Proportional to 69,199.93, 95,476.15 and 38,974.69

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Solution

The fourth proportional to 69,199.93, 95,476.15 and 38,974.69 is: 53,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199.93 : 95,476.15 = 38,974.69 : x
  2. Step 2: Convert to fraction form
    69,199.93/95,476.15 = 38,974.69/x
  3. Step 3: Cross multiply
    69,199.93x = 95,476.15 × 38,974.69
  4. Step 4: Simplify right side
    69,199.93x = 3,721,153,348.64
  5. Step 5: Solve for x
    x = 3,721,153,348.64/69,199.93
  6. Step 6: Final answer
    x = 53,773.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.