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Finding the Fourth Proportional to 101,633.88, 140,250.03 and 55,693.25

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Solution

The fourth proportional to 101,633.88, 140,250.03 and 55,693.25 is: 76,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,633.88 : 140,250.03 = 55,693.25 : x
  2. Step 2: Convert to fraction form
    101,633.88/140,250.03 = 55,693.25/x
  3. Step 3: Cross multiply
    101,633.88x = 140,250.03 × 55,693.25
  4. Step 4: Simplify right side
    101,633.88x = 7,810,979,983.30
  5. Step 5: Solve for x
    x = 7,810,979,983.30/101,633.88
  6. Step 6: Final answer
    x = 76,854.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.