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Finding the Fourth Proportional to 92,371.70, 127,474.37 and 54,122.10

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Solution

The fourth proportional to 92,371.70, 127,474.37 and 54,122.10 is: 74,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,371.70 : 127,474.37 = 54,122.10 : x
  2. Step 2: Convert to fraction form
    92,371.70/127,474.37 = 54,122.10/x
  3. Step 3: Cross multiply
    92,371.70x = 127,474.37 × 54,122.10
  4. Step 4: Simplify right side
    92,371.70x = 6,899,180,329.97
  5. Step 5: Solve for x
    x = 6,899,180,329.97/92,371.70
  6. Step 6: Final answer
    x = 74,689.33

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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.