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Finding the Fourth Proportional to 140,616.06, 194,050.02 and 79,375.14

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Solution

The fourth proportional to 140,616.06, 194,050.02 and 79,375.14 is: 109,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616.06 : 194,050.02 = 79,375.14 : x
  2. Step 2: Convert to fraction form
    140,616.06/194,050.02 = 79,375.14/x
  3. Step 3: Cross multiply
    140,616.06x = 194,050.02 × 79,375.14
  4. Step 4: Simplify right side
    140,616.06x = 15,402,747,504.50
  5. Step 5: Solve for x
    x = 15,402,747,504.50/140,616.06
  6. Step 6: Final answer
    x = 109,537.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.