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Finding the Fourth Proportional to 141,301.65, 194,994.03 and 77,638.08

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Solution

The fourth proportional to 141,301.65, 194,994.03 and 77,638.08 is: 107,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,301.65 : 194,994.03 = 77,638.08 : x
  2. Step 2: Convert to fraction form
    141,301.65/194,994.03 = 77,638.08/x
  3. Step 3: Cross multiply
    141,301.65x = 194,994.03 × 77,638.08
  4. Step 4: Simplify right side
    141,301.65x = 15,138,962,100.66
  5. Step 5: Solve for x
    x = 15,138,962,100.66/141,301.65
  6. Step 6: Final answer
    x = 107,139.32

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