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Finding the Fourth Proportional to 354,175.44, 531,276.12 and 143,808.72

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Solution

The fourth proportional to 354,175.44, 531,276.12 and 143,808.72 is: 215,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,175.44 : 531,276.12 = 143,808.72 : x
  2. Step 2: Convert to fraction form
    354,175.44/531,276.12 = 143,808.72/x
  3. Step 3: Cross multiply
    354,175.44x = 531,276.12 × 143,808.72
  4. Step 4: Simplify right side
    354,175.44x = 76,402,138,783.77
  5. Step 5: Solve for x
    x = 76,402,138,783.77/354,175.44
  6. Step 6: Final answer
    x = 215,718.34

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