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Finding the Fourth Proportional to 115,499.40, 159,391.80 and 67,787.16

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Solution

The fourth proportional to 115,499.40, 159,391.80 and 67,787.16 is: 93,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,499.40 : 159,391.80 = 67,787.16 : x
  2. Step 2: Convert to fraction form
    115,499.40/159,391.80 = 67,787.16/x
  3. Step 3: Cross multiply
    115,499.40x = 159,391.80 × 67,787.16
  4. Step 4: Simplify right side
    115,499.40x = 10,804,717,449.29
  5. Step 5: Solve for x
    x = 10,804,717,449.29/115,499.40
  6. Step 6: Final answer
    x = 93,547.82

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