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Finding the Fourth Proportional to 218,627.71, 327,200.82 and 134,441.17

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Solution

The fourth proportional to 218,627.71, 327,200.82 and 134,441.17 is: 201,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,627.71 : 327,200.82 = 134,441.17 : x
  2. Step 2: Convert to fraction form
    218,627.71/327,200.82 = 134,441.17/x
  3. Step 3: Cross multiply
    218,627.71x = 327,200.82 × 134,441.17
  4. Step 4: Simplify right side
    218,627.71x = 43,989,259,743.60
  5. Step 5: Solve for x
    x = 43,989,259,743.60/218,627.71
  6. Step 6: Final answer
    x = 201,206.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.