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Finding the Fourth Proportional to 74,475.59, 111,721.88 and 34,485.08

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Solution

The fourth proportional to 74,475.59, 111,721.88 and 34,485.08 is: 51,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,475.59 : 111,721.88 = 34,485.08 : x
  2. Step 2: Convert to fraction form
    74,475.59/111,721.88 = 34,485.08/x
  3. Step 3: Cross multiply
    74,475.59x = 111,721.88 × 34,485.08
  4. Step 4: Simplify right side
    74,475.59x = 3,852,737,497.15
  5. Step 5: Solve for x
    x = 3,852,737,497.15/74,475.59
  6. Step 6: Final answer
    x = 51,731.55

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