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Finding the Fourth Proportional to 160,119.60, 239,920.20 and 100,849.20

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Solution

The fourth proportional to 160,119.60, 239,920.20 and 100,849.20 is: 151,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,119.60 : 239,920.20 = 100,849.20 : x
  2. Step 2: Convert to fraction form
    160,119.60/239,920.20 = 100,849.20/x
  3. Step 3: Cross multiply
    160,119.60x = 239,920.20 × 100,849.20
  4. Step 4: Simplify right side
    160,119.60x = 24,195,760,233.84
  5. Step 5: Solve for x
    x = 24,195,760,233.84/160,119.60
  6. Step 6: Final answer
    x = 151,110.55

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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.