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Finding the Fourth Proportional to 115,410.12, 173,136.24 and 53,079

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Solution

The fourth proportional to 115,410.12, 173,136.24 and 53,079 is: 79,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,410.12 : 173,136.24 = 53,079 : x
  2. Step 2: Convert to fraction form
    115,410.12/173,136.24 = 53,079/x
  3. Step 3: Cross multiply
    115,410.12x = 173,136.24 × 53,079
  4. Step 4: Simplify right side
    115,410.12x = 9,189,898,482.96
  5. Step 5: Solve for x
    x = 9,189,898,482.96/115,410.12
  6. Step 6: Final answer
    x = 79,628.19

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