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Finding the Fourth Proportional to 218,627.02, 327,199.86 and 134,440.52

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Solution

The fourth proportional to 218,627.02, 327,199.86 and 134,440.52 is: 201,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,627.02 : 327,199.86 = 134,440.52 : x
  2. Step 2: Convert to fraction form
    218,627.02/327,199.86 = 134,440.52/x
  3. Step 3: Cross multiply
    218,627.02x = 327,199.86 × 134,440.52
  4. Step 4: Simplify right side
    218,627.02x = 43,988,919,322.33
  5. Step 5: Solve for x
    x = 43,988,919,322.33/218,627.02
  6. Step 6: Final answer
    x = 201,205.32

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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.