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Finding the Fourth Proportional to 77,159.68, 115,710.15 and 27,230.47

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Solution

The fourth proportional to 77,159.68, 115,710.15 and 27,230.47 is: 40,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,159.68 : 115,710.15 = 27,230.47 : x
  2. Step 2: Convert to fraction form
    77,159.68/115,710.15 = 27,230.47/x
  3. Step 3: Cross multiply
    77,159.68x = 115,710.15 × 27,230.47
  4. Step 4: Simplify right side
    77,159.68x = 3,150,841,768.27
  5. Step 5: Solve for x
    x = 3,150,841,768.27/77,159.68
  6. Step 6: Final answer
    x = 40,835.34

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