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Finding the Fourth Proportional to 193,228.80, 289,972.80 and 114,259.20

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Solution

The fourth proportional to 193,228.80, 289,972.80 and 114,259.20 is: 171,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,228.80 : 289,972.80 = 114,259.20 : x
  2. Step 2: Convert to fraction form
    193,228.80/289,972.80 = 114,259.20/x
  3. Step 3: Cross multiply
    193,228.80x = 289,972.80 × 114,259.20
  4. Step 4: Simplify right side
    193,228.80x = 33,132,060,149.76
  5. Step 5: Solve for x
    x = 33,132,060,149.76/193,228.80
  6. Step 6: Final answer
    x = 171,465.43

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