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Finding the Fourth Proportional to 75,841.51, 113,673.67 and 57,061.20

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Solution

The fourth proportional to 75,841.51, 113,673.67 and 57,061.20 is: 85,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,841.51 : 113,673.67 = 57,061.20 : x
  2. Step 2: Convert to fraction form
    75,841.51/113,673.67 = 57,061.20/x
  3. Step 3: Cross multiply
    75,841.51x = 113,673.67 × 57,061.20
  4. Step 4: Simplify right side
    75,841.51x = 6,486,355,164.93
  5. Step 5: Solve for x
    x = 6,486,355,164.93/75,841.51
  6. Step 6: Final answer
    x = 85,525.14

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