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Finding the Fourth Proportional to 73,089.84, 100,864.04 and 39,555.84

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Solution

The fourth proportional to 73,089.84, 100,864.04 and 39,555.84 is: 54,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,089.84 : 100,864.04 = 39,555.84 : x
  2. Step 2: Convert to fraction form
    73,089.84/100,864.04 = 39,555.84/x
  3. Step 3: Cross multiply
    73,089.84x = 100,864.04 × 39,555.84
  4. Step 4: Simplify right side
    73,089.84x = 3,989,762,008.45
  5. Step 5: Solve for x
    x = 3,989,762,008.45/73,089.84
  6. Step 6: Final answer
    x = 54,587.09

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