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Finding the Fourth Proportional to 150,591.66, 207,819.26 and 82,612.10

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Solution

The fourth proportional to 150,591.66, 207,819.26 and 82,612.10 is: 114,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,591.66 : 207,819.26 = 82,612.10 : x
  2. Step 2: Convert to fraction form
    150,591.66/207,819.26 = 82,612.10/x
  3. Step 3: Cross multiply
    150,591.66x = 207,819.26 × 82,612.10
  4. Step 4: Simplify right side
    150,591.66x = 17,168,385,905.33
  5. Step 5: Solve for x
    x = 17,168,385,905.33/150,591.66
  6. Step 6: Final answer
    x = 114,006.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.