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Finding the Fourth Proportional to 527,436.53, 791,143.86 and 128,079.39

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Solution

The fourth proportional to 527,436.53, 791,143.86 and 128,079.39 is: 192,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,436.53 : 791,143.86 = 128,079.39 : x
  2. Step 2: Convert to fraction form
    527,436.53/791,143.86 = 128,079.39/x
  3. Step 3: Cross multiply
    527,436.53x = 791,143.86 × 128,079.39
  4. Step 4: Simplify right side
    527,436.53x = 101,329,222,991.05
  5. Step 5: Solve for x
    x = 101,329,222,991.05/527,436.53
  6. Step 6: Final answer
    x = 192,116.43

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