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Finding the Fourth Proportional to 82,665.60, 123,988.80 and 23,510.40

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Solution

The fourth proportional to 82,665.60, 123,988.80 and 23,510.40 is: 35,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,665.60 : 123,988.80 = 23,510.40 : x
  2. Step 2: Convert to fraction form
    82,665.60/123,988.80 = 23,510.40/x
  3. Step 3: Cross multiply
    82,665.60x = 123,988.80 × 23,510.40
  4. Step 4: Simplify right side
    82,665.60x = 2,915,026,283.52
  5. Step 5: Solve for x
    x = 2,915,026,283.52/82,665.60
  6. Step 6: Final answer
    x = 35,262.87

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