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Finding the Fourth Proportional to 83,329.63, 124,994.44 and 21,000.13

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Solution

The fourth proportional to 83,329.63, 124,994.44 and 21,000.13 is: 31,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,329.63 : 124,994.44 = 21,000.13 : x
  2. Step 2: Convert to fraction form
    83,329.63/124,994.44 = 21,000.13/x
  3. Step 3: Cross multiply
    83,329.63x = 124,994.44 × 21,000.13
  4. Step 4: Simplify right side
    83,329.63x = 2,624,899,489.28
  5. Step 5: Solve for x
    x = 2,624,899,489.28/83,329.63
  6. Step 6: Final answer
    x = 31,500.19

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