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Finding the Fourth Proportional to 87,615.82, 131,434.65 and 34,300.91

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Solution

The fourth proportional to 87,615.82, 131,434.65 and 34,300.91 is: 51,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,615.82 : 131,434.65 = 34,300.91 : x
  2. Step 2: Convert to fraction form
    87,615.82/131,434.65 = 34,300.91/x
  3. Step 3: Cross multiply
    87,615.82x = 131,434.65 × 34,300.91
  4. Step 4: Simplify right side
    87,615.82x = 4,508,328,100.53
  5. Step 5: Solve for x
    x = 4,508,328,100.53/87,615.82
  6. Step 6: Final answer
    x = 51,455.64

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