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Finding the Fourth Proportional to 170,799.70, 256,199.55 and 168,175.30

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Solution

The fourth proportional to 170,799.70, 256,199.55 and 168,175.30 is: 252,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,799.70 : 256,199.55 = 168,175.30 : x
  2. Step 2: Convert to fraction form
    170,799.70/256,199.55 = 168,175.30/x
  3. Step 3: Cross multiply
    170,799.70x = 256,199.55 × 168,175.30
  4. Step 4: Simplify right side
    170,799.70x = 43,086,436,181.12
  5. Step 5: Solve for x
    x = 43,086,436,181.12/170,799.70
  6. Step 6: Final answer
    x = 252,262.95

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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.