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Finding the Fourth Proportional to 79,083.52, 109,132 and 47,269.96

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Solution

The fourth proportional to 79,083.52, 109,132 and 47,269.96 is: 65,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.52 : 109,132 = 47,269.96 : x
  2. Step 2: Convert to fraction form
    79,083.52/109,132 = 47,269.96/x
  3. Step 3: Cross multiply
    79,083.52x = 109,132 × 47,269.96
  4. Step 4: Simplify right side
    79,083.52x = 5,158,665,274.72
  5. Step 5: Solve for x
    x = 5,158,665,274.72/79,083.52
  6. Step 6: Final answer
    x = 65,230.60

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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.