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Finding the Fourth Proportional to 159,630.69, 239,601.86 and 131,833.92

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Solution

The fourth proportional to 159,630.69, 239,601.86 and 131,833.92 is: 197,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,630.69 : 239,601.86 = 131,833.92 : x
  2. Step 2: Convert to fraction form
    159,630.69/239,601.86 = 131,833.92/x
  3. Step 3: Cross multiply
    159,630.69x = 239,601.86 × 131,833.92
  4. Step 4: Simplify right side
    159,630.69x = 31,587,652,443.09
  5. Step 5: Solve for x
    x = 31,587,652,443.09/159,630.69
  6. Step 6: Final answer
    x = 197,879.57

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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.