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Finding the Fourth Proportional to 144,944.80, 217,417.20 and 91,800.70

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Solution

The fourth proportional to 144,944.80, 217,417.20 and 91,800.70 is: 137,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,944.80 : 217,417.20 = 91,800.70 : x
  2. Step 2: Convert to fraction form
    144,944.80/217,417.20 = 91,800.70/x
  3. Step 3: Cross multiply
    144,944.80x = 217,417.20 × 91,800.70
  4. Step 4: Simplify right side
    144,944.80x = 19,959,051,152.04
  5. Step 5: Solve for x
    x = 19,959,051,152.04/144,944.80
  6. Step 6: Final answer
    x = 137,701.05

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