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Finding the Fourth Proportional to 228,103.97, 342,133.97 and 70,290.05

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Solution

The fourth proportional to 228,103.97, 342,133.97 and 70,290.05 is: 105,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,103.97 : 342,133.97 = 70,290.05 : x
  2. Step 2: Convert to fraction form
    228,103.97/342,133.97 = 70,290.05/x
  3. Step 3: Cross multiply
    228,103.97x = 342,133.97 × 70,290.05
  4. Step 4: Simplify right side
    228,103.97x = 24,048,613,506.55
  5. Step 5: Solve for x
    x = 24,048,613,506.55/228,103.97
  6. Step 6: Final answer
    x = 105,428.30

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