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Finding the Fourth Proportional to 218,513.52, 327,716.28 and 60,734.16

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Solution

The fourth proportional to 218,513.52, 327,716.28 and 60,734.16 is: 91,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,513.52 : 327,716.28 = 60,734.16 : x
  2. Step 2: Convert to fraction form
    218,513.52/327,716.28 = 60,734.16/x
  3. Step 3: Cross multiply
    218,513.52x = 327,716.28 × 60,734.16
  4. Step 4: Simplify right side
    218,513.52x = 19,903,572,984.12
  5. Step 5: Solve for x
    x = 19,903,572,984.12/218,513.52
  6. Step 6: Final answer
    x = 91,086.23

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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.