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Finding the Fourth Proportional to 108,752.90, 150,131.76 and 72,929.84

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Solution

The fourth proportional to 108,752.90, 150,131.76 and 72,929.84 is: 100,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,752.90 : 150,131.76 = 72,929.84 : x
  2. Step 2: Convert to fraction form
    108,752.90/150,131.76 = 72,929.84/x
  3. Step 3: Cross multiply
    108,752.90x = 150,131.76 × 72,929.84
  4. Step 4: Simplify right side
    108,752.90x = 10,949,085,235.72
  5. Step 5: Solve for x
    x = 10,949,085,235.72/108,752.90
  6. Step 6: Final answer
    x = 100,678.56

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