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Finding the Fourth Proportional to 218,850.89, 327,343.20 and 134,403.53

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Solution

The fourth proportional to 218,850.89, 327,343.20 and 134,403.53 is: 201,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,850.89 : 327,343.20 = 134,403.53 : x
  2. Step 2: Convert to fraction form
    218,850.89/327,343.20 = 134,403.53/x
  3. Step 3: Cross multiply
    218,850.89x = 327,343.20 × 134,403.53
  4. Step 4: Simplify right side
    218,850.89x = 43,996,081,601.50
  5. Step 5: Solve for x
    x = 43,996,081,601.50/218,850.89
  6. Step 6: Final answer
    x = 201,032.23

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1.5x scale

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.