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Finding the Fourth Proportional to 78,494.72, 117,740.67 and 22,335.27

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Solution

The fourth proportional to 78,494.72, 117,740.67 and 22,335.27 is: 33,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,494.72 : 117,740.67 = 22,335.27 : x
  2. Step 2: Convert to fraction form
    78,494.72/117,740.67 = 22,335.27/x
  3. Step 3: Cross multiply
    78,494.72x = 117,740.67 × 22,335.27
  4. Step 4: Simplify right side
    78,494.72x = 2,629,769,654.43
  5. Step 5: Solve for x
    x = 2,629,769,654.43/78,494.72
  6. Step 6: Final answer
    x = 33,502.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.