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Finding the Fourth Proportional to 218,149.89, 327,028.01 and 151,621.35

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Solution

The fourth proportional to 218,149.89, 327,028.01 and 151,621.35 is: 227,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,149.89 : 327,028.01 = 151,621.35 : x
  2. Step 2: Convert to fraction form
    218,149.89/327,028.01 = 151,621.35/x
  3. Step 3: Cross multiply
    218,149.89x = 327,028.01 × 151,621.35
  4. Step 4: Simplify right side
    218,149.89x = 49,584,427,605.91
  5. Step 5: Solve for x
    x = 49,584,427,605.91/218,149.89
  6. Step 6: Final answer
    x = 227,295.22

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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.