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Finding the Fourth Proportional to 218,580.99, 327,872.07 and 60,809.46

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Solution

The fourth proportional to 218,580.99, 327,872.07 and 60,809.46 is: 91,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,580.99 : 327,872.07 = 60,809.46 : x
  2. Step 2: Convert to fraction form
    218,580.99/327,872.07 = 60,809.46/x
  3. Step 3: Cross multiply
    218,580.99x = 327,872.07 × 60,809.46
  4. Step 4: Simplify right side
    218,580.99x = 19,937,723,525.78
  5. Step 5: Solve for x
    x = 19,937,723,525.78/218,580.99
  6. Step 6: Final answer
    x = 91,214.35

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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.