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Finding the Fourth Proportional to 92,297.88, 127,371.12 and 49,856.41

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Solution

The fourth proportional to 92,297.88, 127,371.12 and 49,856.41 is: 68,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,297.88 : 127,371.12 = 49,856.41 : x
  2. Step 2: Convert to fraction form
    92,297.88/127,371.12 = 49,856.41/x
  3. Step 3: Cross multiply
    92,297.88x = 127,371.12 × 49,856.41
  4. Step 4: Simplify right side
    92,297.88x = 6,350,266,780.88
  5. Step 5: Solve for x
    x = 6,350,266,780.88/92,297.88
  6. Step 6: Final answer
    x = 68,801.87

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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.