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Finding the Fourth Proportional to 218,370.92, 327,558.54 and 92,032.52

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Solution

The fourth proportional to 218,370.92, 327,558.54 and 92,032.52 is: 138,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,370.92 : 327,558.54 = 92,032.52 : x
  2. Step 2: Convert to fraction form
    218,370.92/327,558.54 = 92,032.52/x
  3. Step 3: Cross multiply
    218,370.92x = 327,558.54 × 92,032.52
  4. Step 4: Simplify right side
    218,370.92x = 30,146,037,883.72
  5. Step 5: Solve for x
    x = 30,146,037,883.72/218,370.92
  6. Step 6: Final answer
    x = 138,049.69

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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.