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Finding the Fourth Proportional to 218,590.72, 327,884.26 and 60,818.72

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Solution

The fourth proportional to 218,590.72, 327,884.26 and 60,818.72 is: 91,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,590.72 : 327,884.26 = 60,818.72 : x
  2. Step 2: Convert to fraction form
    218,590.72/327,884.26 = 60,818.72/x
  3. Step 3: Cross multiply
    218,590.72x = 327,884.26 × 60,818.72
  4. Step 4: Simplify right side
    218,590.72x = 19,941,501,001.35
  5. Step 5: Solve for x
    x = 19,941,501,001.35/218,590.72
  6. Step 6: Final answer
    x = 91,227.57

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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.