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Finding the Fourth Proportional to 92,371.82, 138,442.70 and 44,947.94

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Solution

The fourth proportional to 92,371.82, 138,442.70 and 44,947.94 is: 67,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,371.82 : 138,442.70 = 44,947.94 : x
  2. Step 2: Convert to fraction form
    92,371.82/138,442.70 = 44,947.94/x
  3. Step 3: Cross multiply
    92,371.82x = 138,442.70 × 44,947.94
  4. Step 4: Simplify right side
    92,371.82x = 6,222,713,593.19
  5. Step 5: Solve for x
    x = 6,222,713,593.19/92,371.82
  6. Step 6: Final answer
    x = 67,365.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.