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Finding the Fourth Proportional to 82,756.90, 124,186.65 and 43,342.30

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Solution

The fourth proportional to 82,756.90, 124,186.65 and 43,342.30 is: 65,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,756.90 : 124,186.65 = 43,342.30 : x
  2. Step 2: Convert to fraction form
    82,756.90/124,186.65 = 43,342.30/x
  3. Step 3: Cross multiply
    82,756.90x = 124,186.65 × 43,342.30
  4. Step 4: Simplify right side
    82,756.90x = 5,382,535,040.30
  5. Step 5: Solve for x
    x = 5,382,535,040.30/82,756.90
  6. Step 6: Final answer
    x = 65,040.32

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