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Finding the Fourth Proportional to 269,763.64, 372,273.84 and 148,904.96

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Solution

The fourth proportional to 269,763.64, 372,273.84 and 148,904.96 is: 205,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,763.64 : 372,273.84 = 148,904.96 : x
  2. Step 2: Convert to fraction form
    269,763.64/372,273.84 = 148,904.96/x
  3. Step 3: Cross multiply
    269,763.64x = 372,273.84 × 148,904.96
  4. Step 4: Simplify right side
    269,763.64x = 55,433,419,392.88
  5. Step 5: Solve for x
    x = 55,433,419,392.88/269,763.64
  6. Step 6: Final answer
    x = 205,488.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.