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Finding the Fourth Proportional to 79,087.50, 109,139.76 and 43,276.98

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Solution

The fourth proportional to 79,087.50, 109,139.76 and 43,276.98 is: 59,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,087.50 : 109,139.76 = 43,276.98 : x
  2. Step 2: Convert to fraction form
    79,087.50/109,139.76 = 43,276.98/x
  3. Step 3: Cross multiply
    79,087.50x = 109,139.76 × 43,276.98
  4. Step 4: Simplify right side
    79,087.50x = 4,723,239,210.72
  5. Step 5: Solve for x
    x = 4,723,239,210.72/79,087.50
  6. Step 6: Final answer
    x = 59,721.69

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