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Finding the Fourth Proportional to 115,429.70, 173,144.55 and 115,429.70

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Solution

The fourth proportional to 115,429.70, 173,144.55 and 115,429.70 is: 173,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,429.70 : 173,144.55 = 115,429.70 : x
  2. Step 2: Convert to fraction form
    115,429.70/173,144.55 = 115,429.70/x
  3. Step 3: Cross multiply
    115,429.70x = 173,144.55 × 115,429.70
  4. Step 4: Simplify right side
    115,429.70x = 19,986,023,463.14
  5. Step 5: Solve for x
    x = 19,986,023,463.14/115,429.70
  6. Step 6: Final answer
    x = 173,144.55

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