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Finding the Fourth Proportional to 231,670.40, 346,922.40 and 152,355.20

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Solution

The fourth proportional to 231,670.40, 346,922.40 and 152,355.20 is: 228,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,670.40 : 346,922.40 = 152,355.20 : x
  2. Step 2: Convert to fraction form
    231,670.40/346,922.40 = 152,355.20/x
  3. Step 3: Cross multiply
    231,670.40x = 346,922.40 × 152,355.20
  4. Step 4: Simplify right side
    231,670.40x = 52,855,431,636.48
  5. Step 5: Solve for x
    x = 52,855,431,636.48/231,670.40
  6. Step 6: Final answer
    x = 228,149.27

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