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Finding the Fourth Proportional to 218,612.53, 327,927.44 and 60,854.77

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Solution

The fourth proportional to 218,612.53, 327,927.44 and 60,854.77 is: 91,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,612.53 : 327,927.44 = 60,854.77 : x
  2. Step 2: Convert to fraction form
    218,612.53/327,927.44 = 60,854.77/x
  3. Step 3: Cross multiply
    218,612.53x = 327,927.44 × 60,854.77
  4. Step 4: Simplify right side
    218,612.53x = 19,955,948,937.89
  5. Step 5: Solve for x
    x = 19,955,948,937.89/218,612.53
  6. Step 6: Final answer
    x = 91,284.56

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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.