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Finding the Fourth Proportional to 218,329.69, 327,494.51 and 60,558.15

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Solution

The fourth proportional to 218,329.69, 327,494.51 and 60,558.15 is: 90,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329.69 : 327,494.51 = 60,558.15 : x
  2. Step 2: Convert to fraction form
    218,329.69/327,494.51 = 60,558.15/x
  3. Step 3: Cross multiply
    218,329.69x = 327,494.51 × 60,558.15
  4. Step 4: Simplify right side
    218,329.69x = 19,832,459,720.49
  5. Step 5: Solve for x
    x = 19,832,459,720.49/218,329.69
  6. Step 6: Final answer
    x = 90,837.21

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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.