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Finding the Fourth Proportional to 173,042.80, 259,612.80 and 84,299.20

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Solution

The fourth proportional to 173,042.80, 259,612.80 and 84,299.20 is: 126,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,042.80 : 259,612.80 = 84,299.20 : x
  2. Step 2: Convert to fraction form
    173,042.80/259,612.80 = 84,299.20/x
  3. Step 3: Cross multiply
    173,042.80x = 259,612.80 × 84,299.20
  4. Step 4: Simplify right side
    173,042.80x = 21,885,151,349.76
  5. Step 5: Solve for x
    x = 21,885,151,349.76/173,042.80
  6. Step 6: Final answer
    x = 126,472.48

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