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Finding the Fourth Proportional to 132,168.28, 182,392.42 and 71,738.92

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Solution

The fourth proportional to 132,168.28, 182,392.42 and 71,738.92 is: 98,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168.28 : 182,392.42 = 71,738.92 : x
  2. Step 2: Convert to fraction form
    132,168.28/182,392.42 = 71,738.92/x
  3. Step 3: Cross multiply
    132,168.28x = 182,392.42 × 71,738.92
  4. Step 4: Simplify right side
    132,168.28x = 13,084,635,226.99
  5. Step 5: Solve for x
    x = 13,084,635,226.99/132,168.28
  6. Step 6: Final answer
    x = 98,999.81

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