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Finding the Fourth Proportional to 169,534.70, 254,366.85 and 166,877.90

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Solution

The fourth proportional to 169,534.70, 254,366.85 and 166,877.90 is: 250,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,534.70 : 254,366.85 = 166,877.90 : x
  2. Step 2: Convert to fraction form
    169,534.70/254,366.85 = 166,877.90/x
  3. Step 3: Cross multiply
    169,534.70x = 254,366.85 × 166,877.90
  4. Step 4: Simplify right side
    169,534.70x = 42,448,205,757.62
  5. Step 5: Solve for x
    x = 42,448,205,757.62/169,534.70
  6. Step 6: Final answer
    x = 250,380.63

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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.