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Finding the Fourth Proportional to 80,089.20, 110,504.70 and 47,817.52

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Solution

The fourth proportional to 80,089.20, 110,504.70 and 47,817.52 is: 65,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,089.20 : 110,504.70 = 47,817.52 : x
  2. Step 2: Convert to fraction form
    80,089.20/110,504.70 = 47,817.52/x
  3. Step 3: Cross multiply
    80,089.20x = 110,504.70 × 47,817.52
  4. Step 4: Simplify right side
    80,089.20x = 5,284,060,702.34
  5. Step 5: Solve for x
    x = 5,284,060,702.34/80,089.20
  6. Step 6: Final answer
    x = 65,977.19

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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.