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Finding the Fourth Proportional to 69,113.70, 95,353.13 and 41,898.56

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Solution

The fourth proportional to 69,113.70, 95,353.13 and 41,898.56 is: 57,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,113.70 : 95,353.13 = 41,898.56 : x
  2. Step 2: Convert to fraction form
    69,113.70/95,353.13 = 41,898.56/x
  3. Step 3: Cross multiply
    69,113.70x = 95,353.13 × 41,898.56
  4. Step 4: Simplify right side
    69,113.70x = 3,995,158,466.47
  5. Step 5: Solve for x
    x = 3,995,158,466.47/69,113.70
  6. Step 6: Final answer
    x = 57,805.59

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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.