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Finding the Fourth Proportional to 94,446, 141,865.84 and 79,683.84

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Solution

The fourth proportional to 94,446, 141,865.84 and 79,683.84 is: 119,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,446 : 141,865.84 = 79,683.84 : x
  2. Step 2: Convert to fraction form
    94,446/141,865.84 = 79,683.84/x
  3. Step 3: Cross multiply
    94,446x = 141,865.84 × 79,683.84
  4. Step 4: Simplify right side
    94,446x = 11,304,414,896.03
  5. Step 5: Solve for x
    x = 11,304,414,896.03/94,446
  6. Step 6: Final answer
    x = 119,691.83

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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.