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Finding the Fourth Proportional to 67,441.66, 101,182.73 and 31,930.04

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Solution

The fourth proportional to 67,441.66, 101,182.73 and 31,930.04 is: 47,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,441.66 : 101,182.73 = 31,930.04 : x
  2. Step 2: Convert to fraction form
    67,441.66/101,182.73 = 31,930.04/x
  3. Step 3: Cross multiply
    67,441.66x = 101,182.73 × 31,930.04
  4. Step 4: Simplify right side
    67,441.66x = 3,230,768,948.99
  5. Step 5: Solve for x
    x = 3,230,768,948.99/67,441.66
  6. Step 6: Final answer
    x = 47,904.65

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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.