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Finding the Fourth Proportional to 177,175.67, 265,874.18 and 71,994.60

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Solution

The fourth proportional to 177,175.67, 265,874.18 and 71,994.60 is: 108,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,175.67 : 265,874.18 = 71,994.60 : x
  2. Step 2: Convert to fraction form
    177,175.67/265,874.18 = 71,994.60/x
  3. Step 3: Cross multiply
    177,175.67x = 265,874.18 × 71,994.60
  4. Step 4: Simplify right side
    177,175.67x = 19,141,504,879.46
  5. Step 5: Solve for x
    x = 19,141,504,879.46/177,175.67
  6. Step 6: Final answer
    x = 108,036.87

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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.