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Finding the Fourth Proportional to 442,115.70, 663,173.55 and 161,742.30

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Solution

The fourth proportional to 442,115.70, 663,173.55 and 161,742.30 is: 242,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,115.70 : 663,173.55 = 161,742.30 : x
  2. Step 2: Convert to fraction form
    442,115.70/663,173.55 = 161,742.30/x
  3. Step 3: Cross multiply
    442,115.70x = 663,173.55 × 161,742.30
  4. Step 4: Simplify right side
    442,115.70x = 107,263,215,276.17
  5. Step 5: Solve for x
    x = 107,263,215,276.17/442,115.70
  6. Step 6: Final answer
    x = 242,613.45

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