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Finding the Fourth Proportional to 237,039.20, 327,114.40 and 135,060.20

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Solution

The fourth proportional to 237,039.20, 327,114.40 and 135,060.20 is: 186,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,039.20 : 327,114.40 = 135,060.20 : x
  2. Step 2: Convert to fraction form
    237,039.20/327,114.40 = 135,060.20/x
  3. Step 3: Cross multiply
    237,039.20x = 327,114.40 × 135,060.20
  4. Step 4: Simplify right side
    237,039.20x = 44,180,136,286.88
  5. Step 5: Solve for x
    x = 44,180,136,286.88/237,039.20
  6. Step 6: Final answer
    x = 186,383.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.