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Finding the Fourth Proportional to 117,462.74, 162,233.15 and 77,355.77

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Solution

The fourth proportional to 117,462.74, 162,233.15 and 77,355.77 is: 106,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,462.74 : 162,233.15 = 77,355.77 : x
  2. Step 2: Convert to fraction form
    117,462.74/162,233.15 = 77,355.77/x
  3. Step 3: Cross multiply
    117,462.74x = 162,233.15 × 77,355.77
  4. Step 4: Simplify right side
    117,462.74x = 12,549,669,039.83
  5. Step 5: Solve for x
    x = 12,549,669,039.83/117,462.74
  6. Step 6: Final answer
    x = 106,839.58

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