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Finding the Fourth Proportional to 218,165.49, 327,253.80 and 60,395.31

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Solution

The fourth proportional to 218,165.49, 327,253.80 and 60,395.31 is: 90,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,165.49 : 327,253.80 = 60,395.31 : x
  2. Step 2: Convert to fraction form
    218,165.49/327,253.80 = 60,395.31/x
  3. Step 3: Cross multiply
    218,165.49x = 327,253.80 × 60,395.31
  4. Step 4: Simplify right side
    218,165.49x = 19,764,594,699.68
  5. Step 5: Solve for x
    x = 19,764,594,699.68/218,165.49
  6. Step 6: Final answer
    x = 90,594.51

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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.