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Finding the Fourth Proportional to 174,781.80, 261,978.30 and 95,952.60

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Solution

The fourth proportional to 174,781.80, 261,978.30 and 95,952.60 is: 143,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,781.80 : 261,978.30 = 95,952.60 : x
  2. Step 2: Convert to fraction form
    174,781.80/261,978.30 = 95,952.60/x
  3. Step 3: Cross multiply
    174,781.80x = 261,978.30 × 95,952.60
  4. Step 4: Simplify right side
    174,781.80x = 25,137,499,028.58
  5. Step 5: Solve for x
    x = 25,137,499,028.58/174,781.80
  6. Step 6: Final answer
    x = 143,822.18

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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.