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Finding the Fourth Proportional to 74,991.20, 112,488.60 and 22,402.40

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Solution

The fourth proportional to 74,991.20, 112,488.60 and 22,402.40 is: 33,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.20 : 112,488.60 = 22,402.40 : x
  2. Step 2: Convert to fraction form
    74,991.20/112,488.60 = 22,402.40/x
  3. Step 3: Cross multiply
    74,991.20x = 112,488.60 × 22,402.40
  4. Step 4: Simplify right side
    74,991.20x = 2,520,014,612.64
  5. Step 5: Solve for x
    x = 2,520,014,612.64/74,991.20
  6. Step 6: Final answer
    x = 33,604.14

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