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Finding the Fourth Proportional to 124,228.22, 186,384.92 and 53,121.56

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Solution

The fourth proportional to 124,228.22, 186,384.92 and 53,121.56 is: 79,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,228.22 : 186,384.92 = 53,121.56 : x
  2. Step 2: Convert to fraction form
    124,228.22/186,384.92 = 53,121.56/x
  3. Step 3: Cross multiply
    124,228.22x = 186,384.92 × 53,121.56
  4. Step 4: Simplify right side
    124,228.22x = 9,901,056,513.34
  5. Step 5: Solve for x
    x = 9,901,056,513.34/124,228.22
  6. Step 6: Final answer
    x = 79,700.55

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