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Finding the Fourth Proportional to 170,819.20, 255,537.60 and 150,083.20

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Solution

The fourth proportional to 170,819.20, 255,537.60 and 150,083.20 is: 224,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,819.20 : 255,537.60 = 150,083.20 : x
  2. Step 2: Convert to fraction form
    170,819.20/255,537.60 = 150,083.20/x
  3. Step 3: Cross multiply
    170,819.20x = 255,537.60 × 150,083.20
  4. Step 4: Simplify right side
    170,819.20x = 38,351,900,728.32
  5. Step 5: Solve for x
    x = 38,351,900,728.32/170,819.20
  6. Step 6: Final answer
    x = 224,517.51

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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.