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Finding the Fourth Proportional to 158,976.86, 219,389.80 and 87,356.88

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Solution

The fourth proportional to 158,976.86, 219,389.80 and 87,356.88 is: 120,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976.86 : 219,389.80 = 87,356.88 : x
  2. Step 2: Convert to fraction form
    158,976.86/219,389.80 = 87,356.88/x
  3. Step 3: Cross multiply
    158,976.86x = 219,389.80 × 87,356.88
  4. Step 4: Simplify right side
    158,976.86x = 19,165,208,745.76
  5. Step 5: Solve for x
    x = 19,165,208,745.76/158,976.86
  6. Step 6: Final answer
    x = 120,553.45

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