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Finding the Fourth Proportional to 79,876.30, 119,793.94 and 23,703.13

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Solution

The fourth proportional to 79,876.30, 119,793.94 and 23,703.13 is: 35,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,876.30 : 119,793.94 = 23,703.13 : x
  2. Step 2: Convert to fraction form
    79,876.30/119,793.94 = 23,703.13/x
  3. Step 3: Cross multiply
    79,876.30x = 119,793.94 × 23,703.13
  4. Step 4: Simplify right side
    79,876.30x = 2,839,491,333.03
  5. Step 5: Solve for x
    x = 2,839,491,333.03/79,876.30
  6. Step 6: Final answer
    x = 35,548.61

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1.5x scale

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.