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Finding the Fourth Proportional to 78,377.12, 108,161.22 and 42,567.82

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Solution

The fourth proportional to 78,377.12, 108,161.22 and 42,567.82 is: 58,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,377.12 : 108,161.22 = 42,567.82 : x
  2. Step 2: Convert to fraction form
    78,377.12/108,161.22 = 42,567.82/x
  3. Step 3: Cross multiply
    78,377.12x = 108,161.22 × 42,567.82
  4. Step 4: Simplify right side
    78,377.12x = 4,604,187,343.94
  5. Step 5: Solve for x
    x = 4,604,187,343.94/78,377.12
  6. Step 6: Final answer
    x = 58,744.02

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