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Finding the Fourth Proportional to 125,360.67, 188,041.38 and 31,866.42

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Solution

The fourth proportional to 125,360.67, 188,041.38 and 31,866.42 is: 47,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,360.67 : 188,041.38 = 31,866.42 : x
  2. Step 2: Convert to fraction form
    125,360.67/188,041.38 = 31,866.42/x
  3. Step 3: Cross multiply
    125,360.67x = 188,041.38 × 31,866.42
  4. Step 4: Simplify right side
    125,360.67x = 5,992,205,592.46
  5. Step 5: Solve for x
    x = 5,992,205,592.46/125,360.67
  6. Step 6: Final answer
    x = 47,799.73

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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.