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Finding the Fourth Proportional to 56,018.78, 77,311.23 and 32,150.78

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Solution

The fourth proportional to 56,018.78, 77,311.23 and 32,150.78 is: 44,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018.78 : 77,311.23 = 32,150.78 : x
  2. Step 2: Convert to fraction form
    56,018.78/77,311.23 = 32,150.78/x
  3. Step 3: Cross multiply
    56,018.78x = 77,311.23 × 32,150.78
  4. Step 4: Simplify right side
    56,018.78x = 2,485,616,347.26
  5. Step 5: Solve for x
    x = 2,485,616,347.26/56,018.78
  6. Step 6: Final answer
    x = 44,371.13

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