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Finding the Fourth Proportional to 218,329.56, 327,494.32 and 60,558.02

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Solution

The fourth proportional to 218,329.56, 327,494.32 and 60,558.02 is: 90,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329.56 : 327,494.32 = 60,558.02 : x
  2. Step 2: Convert to fraction form
    218,329.56/327,494.32 = 60,558.02/x
  3. Step 3: Cross multiply
    218,329.56x = 327,494.32 × 60,558.02
  4. Step 4: Simplify right side
    218,329.56x = 19,832,407,580.45
  5. Step 5: Solve for x
    x = 19,832,407,580.45/218,329.56
  6. Step 6: Final answer
    x = 90,837.02

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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.