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Finding the Fourth Proportional to 78,096.96, 107,723.52 and 60,160.32

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Solution

The fourth proportional to 78,096.96, 107,723.52 and 60,160.32 is: 82,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,096.96 : 107,723.52 = 60,160.32 : x
  2. Step 2: Convert to fraction form
    78,096.96/107,723.52 = 60,160.32/x
  3. Step 3: Cross multiply
    78,096.96x = 107,723.52 × 60,160.32
  4. Step 4: Simplify right side
    78,096.96x = 6,480,681,434.73
  5. Step 5: Solve for x
    x = 6,480,681,434.73/78,096.96
  6. Step 6: Final answer
    x = 82,982.51

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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.