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Finding the Fourth Proportional to 82,628.88, 123,877.68 and 30,031.52

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Solution

The fourth proportional to 82,628.88, 123,877.68 and 30,031.52 is: 45,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628.88 : 123,877.68 = 30,031.52 : x
  2. Step 2: Convert to fraction form
    82,628.88/123,877.68 = 30,031.52/x
  3. Step 3: Cross multiply
    82,628.88x = 123,877.68 × 30,031.52
  4. Step 4: Simplify right side
    82,628.88x = 3,720,235,024.47
  5. Step 5: Solve for x
    x = 3,720,235,024.47/82,628.88
  6. Step 6: Final answer
    x = 45,023.42

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