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Finding the Fourth Proportional to 125,992.11, 188,922.55 and 47,041.41

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Solution

The fourth proportional to 125,992.11, 188,922.55 and 47,041.41 is: 70,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,992.11 : 188,922.55 = 47,041.41 : x
  2. Step 2: Convert to fraction form
    125,992.11/188,922.55 = 47,041.41/x
  3. Step 3: Cross multiply
    125,992.11x = 188,922.55 × 47,041.41
  4. Step 4: Simplify right side
    125,992.11x = 8,887,183,132.80
  5. Step 5: Solve for x
    x = 8,887,183,132.80/125,992.11
  6. Step 6: Final answer
    x = 70,537.62

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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.