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Finding the Fourth Proportional to 55,131, 76,086.42 and 32,477.12

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Solution

The fourth proportional to 55,131, 76,086.42 and 32,477.12 is: 44,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,131 : 76,086.42 = 32,477.12 : x
  2. Step 2: Convert to fraction form
    55,131/76,086.42 = 32,477.12/x
  3. Step 3: Cross multiply
    55,131x = 76,086.42 × 32,477.12
  4. Step 4: Simplify right side
    55,131x = 2,471,067,792.71
  5. Step 5: Solve for x
    x = 2,471,067,792.71/55,131
  6. Step 6: Final answer
    x = 44,821.75

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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.