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Finding the Fourth Proportional to 160,107.60, 239,902.20 and 100,837.20

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Solution

The fourth proportional to 160,107.60, 239,902.20 and 100,837.20 is: 151,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,107.60 : 239,902.20 = 100,837.20 : x
  2. Step 2: Convert to fraction form
    160,107.60/239,902.20 = 100,837.20/x
  3. Step 3: Cross multiply
    160,107.60x = 239,902.20 × 100,837.20
  4. Step 4: Simplify right side
    160,107.60x = 24,191,066,121.84
  5. Step 5: Solve for x
    x = 24,191,066,121.84/160,107.60
  6. Step 6: Final answer
    x = 151,092.55

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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.