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Finding the Fourth Proportional to 66,923.32, 100,251.13 and 40,254.58

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Solution

The fourth proportional to 66,923.32, 100,251.13 and 40,254.58 is: 60,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.32 : 100,251.13 = 40,254.58 : x
  2. Step 2: Convert to fraction form
    66,923.32/100,251.13 = 40,254.58/x
  3. Step 3: Cross multiply
    66,923.32x = 100,251.13 × 40,254.58
  4. Step 4: Simplify right side
    66,923.32x = 4,035,567,132.68
  5. Step 5: Solve for x
    x = 4,035,567,132.68/66,923.32
  6. Step 6: Final answer
    x = 60,301.36

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