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Finding the Fourth Proportional to 228,663.70, 342,995.55 and 70,908.10

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Solution

The fourth proportional to 228,663.70, 342,995.55 and 70,908.10 is: 106,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,663.70 : 342,995.55 = 70,908.10 : x
  2. Step 2: Convert to fraction form
    228,663.70/342,995.55 = 70,908.10/x
  3. Step 3: Cross multiply
    228,663.70x = 342,995.55 × 70,908.10
  4. Step 4: Simplify right side
    228,663.70x = 24,321,162,758.96
  5. Step 5: Solve for x
    x = 24,321,162,758.96/228,663.70
  6. Step 6: Final answer
    x = 106,362.15

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