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Finding the Fourth Proportional to 55,864.83, 83,779.25 and 18,416.19

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Solution

The fourth proportional to 55,864.83, 83,779.25 and 18,416.19 is: 27,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,864.83 : 83,779.25 = 18,416.19 : x
  2. Step 2: Convert to fraction form
    55,864.83/83,779.25 = 18,416.19/x
  3. Step 3: Cross multiply
    55,864.83x = 83,779.25 × 18,416.19
  4. Step 4: Simplify right side
    55,864.83x = 1,542,894,493.98
  5. Step 5: Solve for x
    x = 1,542,894,493.98/55,864.83
  6. Step 6: Final answer
    x = 27,618.35

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