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Finding the Fourth Proportional to 315,194.54, 472,795.02 and 90,554.40

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Solution

The fourth proportional to 315,194.54, 472,795.02 and 90,554.40 is: 135,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,194.54 : 472,795.02 = 90,554.40 : x
  2. Step 2: Convert to fraction form
    315,194.54/472,795.02 = 90,554.40/x
  3. Step 3: Cross multiply
    315,194.54x = 472,795.02 × 90,554.40
  4. Step 4: Simplify right side
    315,194.54x = 42,813,669,359.09
  5. Step 5: Solve for x
    x = 42,813,669,359.09/315,194.54
  6. Step 6: Final answer
    x = 135,832.52

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