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Finding the Fourth Proportional to 173,160, 238,964.49 and 95,635.26

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Solution

The fourth proportional to 173,160, 238,964.49 and 95,635.26 is: 131,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,160 : 238,964.49 = 95,635.26 : x
  2. Step 2: Convert to fraction form
    173,160/238,964.49 = 95,635.26/x
  3. Step 3: Cross multiply
    173,160x = 238,964.49 × 95,635.26
  4. Step 4: Simplify right side
    173,160x = 22,853,431,131.92
  5. Step 5: Solve for x
    x = 22,853,431,131.92/173,160
  6. Step 6: Final answer
    x = 131,978.70

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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.