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Finding the Fourth Proportional to 177,284.20, 266,120.70 and 110,799.40

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Solution

The fourth proportional to 177,284.20, 266,120.70 and 110,799.40 is: 166,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,284.20 : 266,120.70 = 110,799.40 : x
  2. Step 2: Convert to fraction form
    177,284.20/266,120.70 = 110,799.40/x
  3. Step 3: Cross multiply
    177,284.20x = 266,120.70 × 110,799.40
  4. Step 4: Simplify right side
    177,284.20x = 29,486,013,887.58
  5. Step 5: Solve for x
    x = 29,486,013,887.58/177,284.20
  6. Step 6: Final answer
    x = 166,320.60

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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.