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Finding the Fourth Proportional to 221,927.43, 332,842.43 and 64,121.55

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Solution

The fourth proportional to 221,927.43, 332,842.43 and 64,121.55 is: 96,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,927.43 : 332,842.43 = 64,121.55 : x
  2. Step 2: Convert to fraction form
    221,927.43/332,842.43 = 64,121.55/x
  3. Step 3: Cross multiply
    221,927.43x = 332,842.43 × 64,121.55
  4. Step 4: Simplify right side
    221,927.43x = 21,342,372,196.76
  5. Step 5: Solve for x
    x = 21,342,372,196.76/221,927.43
  6. Step 6: Final answer
    x = 96,168.25

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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.