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Finding the Fourth Proportional to 78,329.88, 108,095.37 and 42,519.91

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Solution

The fourth proportional to 78,329.88, 108,095.37 and 42,519.91 is: 58,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,329.88 : 108,095.37 = 42,519.91 : x
  2. Step 2: Convert to fraction form
    78,329.88/108,095.37 = 42,519.91/x
  3. Step 3: Cross multiply
    78,329.88x = 108,095.37 × 42,519.91
  4. Step 4: Simplify right side
    78,329.88x = 4,596,205,379.49
  5. Step 5: Solve for x
    x = 4,596,205,379.49/78,329.88
  6. Step 6: Final answer
    x = 58,677.55

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