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Finding the Fourth Proportional to 58,915.20, 81,291.78 and 35,047.92

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Solution

The fourth proportional to 58,915.20, 81,291.78 and 35,047.92 is: 48,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,915.20 : 81,291.78 = 35,047.92 : x
  2. Step 2: Convert to fraction form
    58,915.20/81,291.78 = 35,047.92/x
  3. Step 3: Cross multiply
    58,915.20x = 81,291.78 × 35,047.92
  4. Step 4: Simplify right side
    58,915.20x = 2,849,107,802.10
  5. Step 5: Solve for x
    x = 2,849,107,802.10/58,915.20
  6. Step 6: Final answer
    x = 48,359.47

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