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Finding the Fourth Proportional to 236,393.55, 326,225.43 and 128,963.91

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Solution

The fourth proportional to 236,393.55, 326,225.43 and 128,963.91 is: 177,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,393.55 : 326,225.43 = 128,963.91 : x
  2. Step 2: Convert to fraction form
    236,393.55/326,225.43 = 128,963.91/x
  3. Step 3: Cross multiply
    236,393.55x = 326,225.43 × 128,963.91
  4. Step 4: Simplify right side
    236,393.55x = 42,071,306,994.23
  5. Step 5: Solve for x
    x = 42,071,306,994.23/236,393.55
  6. Step 6: Final answer
    x = 177,971.47

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