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Finding the Fourth Proportional to 241,441.20, 361,470.60 and 148,129.20

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Solution

The fourth proportional to 241,441.20, 361,470.60 and 148,129.20 is: 221,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,441.20 : 361,470.60 = 148,129.20 : x
  2. Step 2: Convert to fraction form
    241,441.20/361,470.60 = 148,129.20/x
  3. Step 3: Cross multiply
    241,441.20x = 361,470.60 × 148,129.20
  4. Step 4: Simplify right side
    241,441.20x = 53,544,350,801.52
  5. Step 5: Solve for x
    x = 53,544,350,801.52/241,441.20
  6. Step 6: Final answer
    x = 221,769.73

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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.