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Finding the Fourth Proportional to 57,322.11, 79,143.06 and 43,869.33

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Solution

The fourth proportional to 57,322.11, 79,143.06 and 43,869.33 is: 60,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322.11 : 79,143.06 = 43,869.33 : x
  2. Step 2: Convert to fraction form
    57,322.11/79,143.06 = 43,869.33/x
  3. Step 3: Cross multiply
    57,322.11x = 79,143.06 × 43,869.33
  4. Step 4: Simplify right side
    57,322.11x = 3,471,953,016.35
  5. Step 5: Solve for x
    x = 3,471,953,016.35/57,322.11
  6. Step 6: Final answer
    x = 60,569.18

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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.