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Finding the Fourth Proportional to 131,843.30, 197,500.88 and 60,668.39

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Solution

The fourth proportional to 131,843.30, 197,500.88 and 60,668.39 is: 90,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,843.30 : 197,500.88 = 60,668.39 : x
  2. Step 2: Convert to fraction form
    131,843.30/197,500.88 = 60,668.39/x
  3. Step 3: Cross multiply
    131,843.30x = 197,500.88 × 60,668.39
  4. Step 4: Simplify right side
    131,843.30x = 11,982,061,058.61
  5. Step 5: Solve for x
    x = 11,982,061,058.61/131,843.30
  6. Step 6: Final answer
    x = 90,881.08

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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.