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Finding the Fourth Proportional to 144,938.28, 217,370.94 and 56,161.32

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Solution

The fourth proportional to 144,938.28, 217,370.94 and 56,161.32 is: 84,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938.28 : 217,370.94 = 56,161.32 : x
  2. Step 2: Convert to fraction form
    144,938.28/217,370.94 = 56,161.32/x
  3. Step 3: Cross multiply
    144,938.28x = 217,370.94 × 56,161.32
  4. Step 4: Simplify right side
    144,938.28x = 12,207,838,920.04
  5. Step 5: Solve for x
    x = 12,207,838,920.04/144,938.28
  6. Step 6: Final answer
    x = 84,227.84

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