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Finding the Fourth Proportional to 69,377.58, 95,717.70 and 45,167.49

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Solution

The fourth proportional to 69,377.58, 95,717.70 and 45,167.49 is: 62,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,377.58 : 95,717.70 = 45,167.49 : x
  2. Step 2: Convert to fraction form
    69,377.58/95,717.70 = 45,167.49/x
  3. Step 3: Cross multiply
    69,377.58x = 95,717.70 × 45,167.49
  4. Step 4: Simplify right side
    69,377.58x = 4,323,328,257.57
  5. Step 5: Solve for x
    x = 4,323,328,257.57/69,377.58
  6. Step 6: Final answer
    x = 62,315.93

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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.