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Finding the Fourth Proportional to 291,969.60, 402,917.88 and 157,833.60

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Solution

The fourth proportional to 291,969.60, 402,917.88 and 157,833.60 is: 217,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,969.60 : 402,917.88 = 157,833.60 : x
  2. Step 2: Convert to fraction form
    291,969.60/402,917.88 = 157,833.60/x
  3. Step 3: Cross multiply
    291,969.60x = 402,917.88 × 157,833.60
  4. Step 4: Simplify right side
    291,969.60x = 63,593,979,504.77
  5. Step 5: Solve for x
    x = 63,593,979,504.77/291,969.60
  6. Step 6: Final answer
    x = 217,810.28

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