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Finding the Fourth Proportional to 115,025.36, 158,599.22 and 78,744.24

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Solution

The fourth proportional to 115,025.36, 158,599.22 and 78,744.24 is: 108,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,025.36 : 158,599.22 = 78,744.24 : x
  2. Step 2: Convert to fraction form
    115,025.36/158,599.22 = 78,744.24/x
  3. Step 3: Cross multiply
    115,025.36x = 158,599.22 × 78,744.24
  4. Step 4: Simplify right side
    115,025.36x = 12,488,774,649.77
  5. Step 5: Solve for x
    x = 12,488,774,649.77/115,025.36
  6. Step 6: Final answer
    x = 108,574.10

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