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Finding the Fourth Proportional to 125,339.44, 188,006.68 and 30,569.96

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Solution

The fourth proportional to 125,339.44, 188,006.68 and 30,569.96 is: 45,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,339.44 : 188,006.68 = 30,569.96 : x
  2. Step 2: Convert to fraction form
    125,339.44/188,006.68 = 30,569.96/x
  3. Step 3: Cross multiply
    125,339.44x = 188,006.68 × 30,569.96
  4. Step 4: Simplify right side
    125,339.44x = 5,747,356,687.33
  5. Step 5: Solve for x
    x = 5,747,356,687.33/125,339.44
  6. Step 6: Final answer
    x = 45,854.34

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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.