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Finding the Fourth Proportional to 79,480.75, 119,239.59 and 23,318.59

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Solution

The fourth proportional to 79,480.75, 119,239.59 and 23,318.59 is: 34,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480.75 : 119,239.59 = 23,318.59 : x
  2. Step 2: Convert to fraction form
    79,480.75/119,239.59 = 23,318.59/x
  3. Step 3: Cross multiply
    79,480.75x = 119,239.59 × 23,318.59
  4. Step 4: Simplify right side
    79,480.75x = 2,780,498,725.43
  5. Step 5: Solve for x
    x = 2,780,498,725.43/79,480.75
  6. Step 6: Final answer
    x = 34,983.30

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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.