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Finding the Fourth Proportional to 221,698.78, 332,597.34 and 63,914.92

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Solution

The fourth proportional to 221,698.78, 332,597.34 and 63,914.92 is: 95,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,698.78 : 332,597.34 = 63,914.92 : x
  2. Step 2: Convert to fraction form
    221,698.78/332,597.34 = 63,914.92/x
  3. Step 3: Cross multiply
    221,698.78x = 332,597.34 × 63,914.92
  4. Step 4: Simplify right side
    221,698.78x = 21,257,932,378.31
  5. Step 5: Solve for x
    x = 21,257,932,378.31/221,698.78
  6. Step 6: Final answer
    x = 95,886.56

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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.