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Finding the Fourth Proportional to 173,169, 238,976.91 and 95,644.26

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Solution

The fourth proportional to 173,169, 238,976.91 and 95,644.26 is: 131,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,169 : 238,976.91 = 95,644.26 : x
  2. Step 2: Convert to fraction form
    173,169/238,976.91 = 95,644.26/x
  3. Step 3: Cross multiply
    173,169x = 238,976.91 × 95,644.26
  4. Step 4: Simplify right side
    173,169x = 22,856,769,714.04
  5. Step 5: Solve for x
    x = 22,856,769,714.04/173,169
  6. Step 6: Final answer
    x = 131,991.12

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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.