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Finding the Fourth Proportional to 73,315.85, 109,951.84 and 38,236.37

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Solution

The fourth proportional to 73,315.85, 109,951.84 and 38,236.37 is: 57,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,315.85 : 109,951.84 = 38,236.37 : x
  2. Step 2: Convert to fraction form
    73,315.85/109,951.84 = 38,236.37/x
  3. Step 3: Cross multiply
    73,315.85x = 109,951.84 × 38,236.37
  4. Step 4: Simplify right side
    73,315.85x = 4,204,159,045.24
  5. Step 5: Solve for x
    x = 4,204,159,045.24/73,315.85
  6. Step 6: Final answer
    x = 57,343.11

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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.