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Finding the Fourth Proportional to 341,133.40, 511,700.10 and 91,815.40

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Solution

The fourth proportional to 341,133.40, 511,700.10 and 91,815.40 is: 137,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,133.40 : 511,700.10 = 91,815.40 : x
  2. Step 2: Convert to fraction form
    341,133.40/511,700.10 = 91,815.40/x
  3. Step 3: Cross multiply
    341,133.40x = 511,700.10 × 91,815.40
  4. Step 4: Simplify right side
    341,133.40x = 46,981,949,361.54
  5. Step 5: Solve for x
    x = 46,981,949,361.54/341,133.40
  6. Step 6: Final answer
    x = 137,723.10

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