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Finding the Fourth Proportional to 156,318.51, 215,716.69 and 88,334.01

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Solution

The fourth proportional to 156,318.51, 215,716.69 and 88,334.01 is: 121,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,318.51 : 215,716.69 = 88,334.01 : x
  2. Step 2: Convert to fraction form
    156,318.51/215,716.69 = 88,334.01/x
  3. Step 3: Cross multiply
    156,318.51x = 215,716.69 × 88,334.01
  4. Step 4: Simplify right side
    156,318.51x = 19,055,120,251.63
  5. Step 5: Solve for x
    x = 19,055,120,251.63/156,318.51
  6. Step 6: Final answer
    x = 121,899.32

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