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Finding the Fourth Proportional to 171,138.56, 236,171.50 and 95,687.06

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Solution

The fourth proportional to 171,138.56, 236,171.50 and 95,687.06 is: 132,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,138.56 : 236,171.50 = 95,687.06 : x
  2. Step 2: Convert to fraction form
    171,138.56/236,171.50 = 95,687.06/x
  3. Step 3: Cross multiply
    171,138.56x = 236,171.50 × 95,687.06
  4. Step 4: Simplify right side
    171,138.56x = 22,598,555,070.71
  5. Step 5: Solve for x
    x = 22,598,555,070.71/171,138.56
  6. Step 6: Final answer
    x = 132,048.30

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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.