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Finding the Fourth Proportional to 356,824.85, 535,453.34 and 143,640.14

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Solution

The fourth proportional to 356,824.85, 535,453.34 and 143,640.14 is: 215,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,824.85 : 535,453.34 = 143,640.14 : x
  2. Step 2: Convert to fraction form
    356,824.85/535,453.34 = 143,640.14/x
  3. Step 3: Cross multiply
    356,824.85x = 535,453.34 × 143,640.14
  4. Step 4: Simplify right side
    356,824.85x = 76,912,589,325.60
  5. Step 5: Solve for x
    x = 76,912,589,325.60/356,824.85
  6. Step 6: Final answer
    x = 215,547.18

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