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Finding the Fourth Proportional to 248,573.97, 372,909.69 and 98,786.34

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Solution

The fourth proportional to 248,573.97, 372,909.69 and 98,786.34 is: 148,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,573.97 : 372,909.69 = 98,786.34 : x
  2. Step 2: Convert to fraction form
    248,573.97/372,909.69 = 98,786.34/x
  3. Step 3: Cross multiply
    248,573.97x = 372,909.69 × 98,786.34
  4. Step 4: Simplify right side
    248,573.97x = 36,838,383,425.63
  5. Step 5: Solve for x
    x = 36,838,383,425.63/248,573.97
  6. Step 6: Final answer
    x = 148,198.88

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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.