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Finding the Fourth Proportional to 174,706.72, 262,052.70 and 79,882

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Solution

The fourth proportional to 174,706.72, 262,052.70 and 79,882 is: 119,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,706.72 : 262,052.70 = 79,882 : x
  2. Step 2: Convert to fraction form
    174,706.72/262,052.70 = 79,882/x
  3. Step 3: Cross multiply
    174,706.72x = 262,052.70 × 79,882
  4. Step 4: Simplify right side
    174,706.72x = 20,933,293,781.40
  5. Step 5: Solve for x
    x = 20,933,293,781.40/174,706.72
  6. Step 6: Final answer
    x = 119,819.63

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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.