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Finding the Fourth Proportional to 216,598.60, 324,919.61 and 74,425.15

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Solution

The fourth proportional to 216,598.60, 324,919.61 and 74,425.15 is: 111,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,598.60 : 324,919.61 = 74,425.15 : x
  2. Step 2: Convert to fraction form
    216,598.60/324,919.61 = 74,425.15/x
  3. Step 3: Cross multiply
    216,598.60x = 324,919.61 × 74,425.15
  4. Step 4: Simplify right side
    216,598.60x = 24,182,190,712.19
  5. Step 5: Solve for x
    x = 24,182,190,712.19/216,598.60
  6. Step 6: Final answer
    x = 111,645.18

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