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Finding the Fourth Proportional to 78,377.07, 108,160.67 and 42,567.68

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Solution

The fourth proportional to 78,377.07, 108,160.67 and 42,567.68 is: 58,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,377.07 : 108,160.67 = 42,567.68 : x
  2. Step 2: Convert to fraction form
    78,377.07/108,160.67 = 42,567.68/x
  3. Step 3: Cross multiply
    78,377.07x = 108,160.67 × 42,567.68
  4. Step 4: Simplify right side
    78,377.07x = 4,604,148,035.50
  5. Step 5: Solve for x
    x = 4,604,148,035.50/78,377.07
  6. Step 6: Final answer
    x = 58,743.56

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