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Finding the Fourth Proportional to 207,060.30, 310,481.10 and 88,597.80

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Solution

The fourth proportional to 207,060.30, 310,481.10 and 88,597.80 is: 132,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,060.30 : 310,481.10 = 88,597.80 : x
  2. Step 2: Convert to fraction form
    207,060.30/310,481.10 = 88,597.80/x
  3. Step 3: Cross multiply
    207,060.30x = 310,481.10 × 88,597.80
  4. Step 4: Simplify right side
    207,060.30x = 27,507,942,401.58
  5. Step 5: Solve for x
    x = 27,507,942,401.58/207,060.30
  6. Step 6: Final answer
    x = 132,849.91

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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.