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Finding the Fourth Proportional to 192,040.80, 265,141.14 and 171,863

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Solution

The fourth proportional to 192,040.80, 265,141.14 and 171,863 is: 237,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,040.80 : 265,141.14 = 171,863 : x
  2. Step 2: Convert to fraction form
    192,040.80/265,141.14 = 171,863/x
  3. Step 3: Cross multiply
    192,040.80x = 265,141.14 × 171,863
  4. Step 4: Simplify right side
    192,040.80x = 45,567,951,743.82
  5. Step 5: Solve for x
    x = 45,567,951,743.82/192,040.80
  6. Step 6: Final answer
    x = 237,282.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.