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Finding the Fourth Proportional to 58,296.12, 87,434.90 and 20,849.22

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Solution

The fourth proportional to 58,296.12, 87,434.90 and 20,849.22 is: 31,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,296.12 : 87,434.90 = 20,849.22 : x
  2. Step 2: Convert to fraction form
    58,296.12/87,434.90 = 20,849.22/x
  3. Step 3: Cross multiply
    58,296.12x = 87,434.90 × 20,849.22
  4. Step 4: Simplify right side
    58,296.12x = 1,822,949,361.53
  5. Step 5: Solve for x
    x = 1,822,949,361.53/58,296.12
  6. Step 6: Final answer
    x = 31,270.51

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