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Finding the Fourth Proportional to 144,331.70, 216,497.55 and 91,973.30

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Solution

The fourth proportional to 144,331.70, 216,497.55 and 91,973.30 is: 137,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,331.70 : 216,497.55 = 91,973.30 : x
  2. Step 2: Convert to fraction form
    144,331.70/216,497.55 = 91,973.30/x
  3. Step 3: Cross multiply
    144,331.70x = 216,497.55 × 91,973.30
  4. Step 4: Simplify right side
    144,331.70x = 19,911,994,115.42
  5. Step 5: Solve for x
    x = 19,911,994,115.42/144,331.70
  6. Step 6: Final answer
    x = 137,959.95

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