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Finding the Fourth Proportional to 218,264.31, 327,419.24 and 60,492.92

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Solution

The fourth proportional to 218,264.31, 327,419.24 and 60,492.92 is: 90,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,264.31 : 327,419.24 = 60,492.92 : x
  2. Step 2: Convert to fraction form
    218,264.31/327,419.24 = 60,492.92/x
  3. Step 3: Cross multiply
    218,264.31x = 327,419.24 × 60,492.92
  4. Step 4: Simplify right side
    218,264.31x = 19,806,543,952.22
  5. Step 5: Solve for x
    x = 19,806,543,952.22/218,264.31
  6. Step 6: Final answer
    x = 90,745.68

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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.