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Finding the Fourth Proportional to 171,086.58, 256,624.51 and 71,244.27

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Solution

The fourth proportional to 171,086.58, 256,624.51 and 71,244.27 is: 106,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,086.58 : 256,624.51 = 71,244.27 : x
  2. Step 2: Convert to fraction form
    171,086.58/256,624.51 = 71,244.27/x
  3. Step 3: Cross multiply
    171,086.58x = 256,624.51 × 71,244.27
  4. Step 4: Simplify right side
    171,086.58x = 18,283,025,879.06
  5. Step 5: Solve for x
    x = 18,283,025,879.06/171,086.58
  6. Step 6: Final answer
    x = 106,864.17

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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.