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Finding the Fourth Proportional to 127,306.92, 190,960.92 and 43,067.74

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Solution

The fourth proportional to 127,306.92, 190,960.92 and 43,067.74 is: 64,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,306.92 : 190,960.92 = 43,067.74 : x
  2. Step 2: Convert to fraction form
    127,306.92/190,960.92 = 43,067.74/x
  3. Step 3: Cross multiply
    127,306.92x = 190,960.92 × 43,067.74
  4. Step 4: Simplify right side
    127,306.92x = 8,224,255,252.72
  5. Step 5: Solve for x
    x = 8,224,255,252.72/127,306.92
  6. Step 6: Final answer
    x = 64,601.79

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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.