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Finding the Fourth Proportional to 218,570.49, 327,856.32 and 60,798.96

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Solution

The fourth proportional to 218,570.49, 327,856.32 and 60,798.96 is: 91,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,570.49 : 327,856.32 = 60,798.96 : x
  2. Step 2: Convert to fraction form
    218,570.49/327,856.32 = 60,798.96/x
  3. Step 3: Cross multiply
    218,570.49x = 327,856.32 × 60,798.96
  4. Step 4: Simplify right side
    218,570.49x = 19,933,323,285.43
  5. Step 5: Solve for x
    x = 19,933,323,285.43/218,570.49
  6. Step 6: Final answer
    x = 91,198.60

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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.