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Finding the Fourth Proportional to 124,951.78, 187,427.10 and 31,457.56

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Solution

The fourth proportional to 124,951.78, 187,427.10 and 31,457.56 is: 47,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,951.78 : 187,427.10 = 31,457.56 : x
  2. Step 2: Convert to fraction form
    124,951.78/187,427.10 = 31,457.56/x
  3. Step 3: Cross multiply
    124,951.78x = 187,427.10 × 31,457.56
  4. Step 4: Simplify right side
    124,951.78x = 5,895,999,243.88
  5. Step 5: Solve for x
    x = 5,895,999,243.88/124,951.78
  6. Step 6: Final answer
    x = 47,186.20

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