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Finding the Fourth Proportional to 269,680.88, 372,152.80 and 148,820.56

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Solution

The fourth proportional to 269,680.88, 372,152.80 and 148,820.56 is: 205,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,680.88 : 372,152.80 = 148,820.56 : x
  2. Step 2: Convert to fraction form
    269,680.88/372,152.80 = 148,820.56/x
  3. Step 3: Cross multiply
    269,680.88x = 372,152.80 × 148,820.56
  4. Step 4: Simplify right side
    269,680.88x = 55,383,988,101.57
  5. Step 5: Solve for x
    x = 55,383,988,101.57/269,680.88
  6. Step 6: Final answer
    x = 205,368.61

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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.