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Finding the Fourth Proportional to 79,923.92, 119,885.67 and 75,052.17

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Solution

The fourth proportional to 79,923.92, 119,885.67 and 75,052.17 is: 112,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,923.92 : 119,885.67 = 75,052.17 : x
  2. Step 2: Convert to fraction form
    79,923.92/119,885.67 = 75,052.17/x
  3. Step 3: Cross multiply
    79,923.92x = 119,885.67 × 75,052.17
  4. Step 4: Simplify right side
    79,923.92x = 8,997,679,685.40
  5. Step 5: Solve for x
    x = 8,997,679,685.40/79,923.92
  6. Step 6: Final answer
    x = 112,578.06

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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.