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Finding the Fourth Proportional to 74,283.12, 102,510.84 and 40,749.36

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Solution

The fourth proportional to 74,283.12, 102,510.84 and 40,749.36 is: 56,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.12 : 102,510.84 = 40,749.36 : x
  2. Step 2: Convert to fraction form
    74,283.12/102,510.84 = 40,749.36/x
  3. Step 3: Cross multiply
    74,283.12x = 102,510.84 × 40,749.36
  4. Step 4: Simplify right side
    74,283.12x = 4,177,251,123.06
  5. Step 5: Solve for x
    x = 4,177,251,123.06/74,283.12
  6. Step 6: Final answer
    x = 56,234.19

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