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Finding the Fourth Proportional to 60,242.07, 90,394.09 and 28,687.91

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Solution

The fourth proportional to 60,242.07, 90,394.09 and 28,687.91 is: 43,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,242.07 : 90,394.09 = 28,687.91 : x
  2. Step 2: Convert to fraction form
    60,242.07/90,394.09 = 28,687.91/x
  3. Step 3: Cross multiply
    60,242.07x = 90,394.09 × 28,687.91
  4. Step 4: Simplify right side
    60,242.07x = 2,593,217,672.72
  5. Step 5: Solve for x
    x = 2,593,217,672.72/60,242.07
  6. Step 6: Final answer
    x = 43,046.62

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