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Finding the Fourth Proportional to 115,972.97, 174,014.33 and 63,380.88

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Solution

The fourth proportional to 115,972.97, 174,014.33 and 63,380.88 is: 95,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,972.97 : 174,014.33 = 63,380.88 : x
  2. Step 2: Convert to fraction form
    115,972.97/174,014.33 = 63,380.88/x
  3. Step 3: Cross multiply
    115,972.97x = 174,014.33 × 63,380.88
  4. Step 4: Simplify right side
    115,972.97x = 11,029,181,051.11
  5. Step 5: Solve for x
    x = 11,029,181,051.11/115,972.97
  6. Step 6: Final answer
    x = 95,101.31

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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.