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Finding the Fourth Proportional to 125,326.56, 188,024.52 and 57,879.24

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Solution

The fourth proportional to 125,326.56, 188,024.52 and 57,879.24 is: 86,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,326.56 : 188,024.52 = 57,879.24 : x
  2. Step 2: Convert to fraction form
    125,326.56/188,024.52 = 57,879.24/x
  3. Step 3: Cross multiply
    125,326.56x = 188,024.52 × 57,879.24
  4. Step 4: Simplify right side
    125,326.56x = 10,882,716,318.96
  5. Step 5: Solve for x
    x = 10,882,716,318.96/125,326.56
  6. Step 6: Final answer
    x = 86,834.88

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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.