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Finding the Fourth Proportional to 239,793.30, 359,247.15 and 140,001.30

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Solution

The fourth proportional to 239,793.30, 359,247.15 and 140,001.30 is: 209,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,793.30 : 359,247.15 = 140,001.30 : x
  2. Step 2: Convert to fraction form
    239,793.30/359,247.15 = 140,001.30/x
  3. Step 3: Cross multiply
    239,793.30x = 359,247.15 × 140,001.30
  4. Step 4: Simplify right side
    239,793.30x = 50,295,068,021.30
  5. Step 5: Solve for x
    x = 50,295,068,021.30/239,793.30
  6. Step 6: Final answer
    x = 209,743.42

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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.