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Finding the Fourth Proportional to 159,394.80, 239,448.60 and 133,150.80

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Solution

The fourth proportional to 159,394.80, 239,448.60 and 133,150.80 is: 200,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,394.80 : 239,448.60 = 133,150.80 : x
  2. Step 2: Convert to fraction form
    159,394.80/239,448.60 = 133,150.80/x
  3. Step 3: Cross multiply
    159,394.80x = 239,448.60 × 133,150.80
  4. Step 4: Simplify right side
    159,394.80x = 31,882,772,648.88
  5. Step 5: Solve for x
    x = 31,882,772,648.88/159,394.80
  6. Step 6: Final answer
    x = 200,023.92

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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.