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Finding the Fourth Proportional to 52,196.80, 78,498 and 43,539.52

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Solution

The fourth proportional to 52,196.80, 78,498 and 43,539.52 is: 65,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,196.80 : 78,498 = 43,539.52 : x
  2. Step 2: Convert to fraction form
    52,196.80/78,498 = 43,539.52/x
  3. Step 3: Cross multiply
    52,196.80x = 78,498 × 43,539.52
  4. Step 4: Simplify right side
    52,196.80x = 3,417,765,240.96
  5. Step 5: Solve for x
    x = 3,417,765,240.96/52,196.80
  6. Step 6: Final answer
    x = 65,478.44

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