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Finding the Fourth Proportional to 169,531.70, 254,362.35 and 166,874.90

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Solution

The fourth proportional to 169,531.70, 254,362.35 and 166,874.90 is: 250,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,531.70 : 254,362.35 = 166,874.90 : x
  2. Step 2: Convert to fraction form
    169,531.70/254,362.35 = 166,874.90/x
  3. Step 3: Cross multiply
    169,531.70x = 254,362.35 × 166,874.90
  4. Step 4: Simplify right side
    169,531.70x = 42,446,691,720.02
  5. Step 5: Solve for x
    x = 42,446,691,720.02/169,531.70
  6. Step 6: Final answer
    x = 250,376.13

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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.