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Finding the Fourth Proportional to 170,831, 255,925.74 and 157,942.28

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Solution

The fourth proportional to 170,831, 255,925.74 and 157,942.28 is: 236,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,831 : 255,925.74 = 157,942.28 : x
  2. Step 2: Convert to fraction form
    170,831/255,925.74 = 157,942.28/x
  3. Step 3: Cross multiply
    170,831x = 255,925.74 × 157,942.28
  4. Step 4: Simplify right side
    170,831x = 40,421,494,886.29
  5. Step 5: Solve for x
    x = 40,421,494,886.29/170,831
  6. Step 6: Final answer
    x = 236,616.86

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