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Finding the Fourth Proportional to 72,483.18, 108,723.33 and 41,251.50

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Solution

The fourth proportional to 72,483.18, 108,723.33 and 41,251.50 is: 61,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,483.18 : 108,723.33 = 41,251.50 : x
  2. Step 2: Convert to fraction form
    72,483.18/108,723.33 = 41,251.50/x
  3. Step 3: Cross multiply
    72,483.18x = 108,723.33 × 41,251.50
  4. Step 4: Simplify right side
    72,483.18x = 4,485,000,447.50
  5. Step 5: Solve for x
    x = 4,485,000,447.50/72,483.18
  6. Step 6: Final answer
    x = 61,876.43

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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.