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Finding the Fourth Proportional to 125,268.96, 187,950.96 and 75,383.52

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Solution

The fourth proportional to 125,268.96, 187,950.96 and 75,383.52 is: 113,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,268.96 : 187,950.96 = 75,383.52 : x
  2. Step 2: Convert to fraction form
    125,268.96/187,950.96 = 75,383.52/x
  3. Step 3: Cross multiply
    125,268.96x = 187,950.96 × 75,383.52
  4. Step 4: Simplify right side
    125,268.96x = 14,168,404,952.18
  5. Step 5: Solve for x
    x = 14,168,404,952.18/125,268.96
  6. Step 6: Final answer
    x = 113,103.88

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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.