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Finding the Fourth Proportional to 60,123.72, 90,189.54 and 15,751.56

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Solution

The fourth proportional to 60,123.72, 90,189.54 and 15,751.56 is: 23,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,123.72 : 90,189.54 = 15,751.56 : x
  2. Step 2: Convert to fraction form
    60,123.72/90,189.54 = 15,751.56/x
  3. Step 3: Cross multiply
    60,123.72x = 90,189.54 × 15,751.56
  4. Step 4: Simplify right side
    60,123.72x = 1,420,625,950.68
  5. Step 5: Solve for x
    x = 1,420,625,950.68/60,123.72
  6. Step 6: Final answer
    x = 23,628.38

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