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Finding the Fourth Proportional to 206,856.06, 285,492.24 and 126,329.91

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Solution

The fourth proportional to 206,856.06, 285,492.24 and 126,329.91 is: 174,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,856.06 : 285,492.24 = 126,329.91 : x
  2. Step 2: Convert to fraction form
    206,856.06/285,492.24 = 126,329.91/x
  3. Step 3: Cross multiply
    206,856.06x = 285,492.24 × 126,329.91
  4. Step 4: Simplify right side
    206,856.06x = 36,066,208,984.90
  5. Step 5: Solve for x
    x = 36,066,208,984.90/206,856.06
  6. Step 6: Final answer
    x = 174,354.13

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