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Finding the Fourth Proportional to 69,513.24, 95,943.24 and 54,375.96

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Solution

The fourth proportional to 69,513.24, 95,943.24 and 54,375.96 is: 75,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,513.24 : 95,943.24 = 54,375.96 : x
  2. Step 2: Convert to fraction form
    69,513.24/95,943.24 = 54,375.96/x
  3. Step 3: Cross multiply
    69,513.24x = 95,943.24 × 54,375.96
  4. Step 4: Simplify right side
    69,513.24x = 5,217,005,780.51
  5. Step 5: Solve for x
    x = 5,217,005,780.51/69,513.24
  6. Step 6: Final answer
    x = 75,050.53

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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.