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Finding the Fourth Proportional to 78,732.69, 108,650.48 and 42,922.05

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Solution

The fourth proportional to 78,732.69, 108,650.48 and 42,922.05 is: 59,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732.69 : 108,650.48 = 42,922.05 : x
  2. Step 2: Convert to fraction form
    78,732.69/108,650.48 = 42,922.05/x
  3. Step 3: Cross multiply
    78,732.69x = 108,650.48 × 42,922.05
  4. Step 4: Simplify right side
    78,732.69x = 4,663,501,120.47
  5. Step 5: Solve for x
    x = 4,663,501,120.47/78,732.69
  6. Step 6: Final answer
    x = 59,232.08

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