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Finding the Fourth Proportional to 48,611, 67,112.34 and 31,873.16

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Solution

The fourth proportional to 48,611, 67,112.34 and 31,873.16 is: 44,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,611 : 67,112.34 = 31,873.16 : x
  2. Step 2: Convert to fraction form
    48,611/67,112.34 = 31,873.16/x
  3. Step 3: Cross multiply
    48,611x = 67,112.34 × 31,873.16
  4. Step 4: Simplify right side
    48,611x = 2,139,082,350.79
  5. Step 5: Solve for x
    x = 2,139,082,350.79/48,611
  6. Step 6: Final answer
    x = 44,004.08

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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.