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Finding the Fourth Proportional to 206,949.66, 310,164.93 and 88,481.94

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Solution

The fourth proportional to 206,949.66, 310,164.93 and 88,481.94 is: 132,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,949.66 : 310,164.93 = 88,481.94 : x
  2. Step 2: Convert to fraction form
    206,949.66/310,164.93 = 88,481.94/x
  3. Step 3: Cross multiply
    206,949.66x = 310,164.93 × 88,481.94
  4. Step 4: Simplify right side
    206,949.66x = 27,443,994,726.36
  5. Step 5: Solve for x
    x = 27,443,994,726.36/206,949.66
  6. Step 6: Final answer
    x = 132,611.93

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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.