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Finding the Fourth Proportional to 227,161.44, 313,475.43 and 130,381.22

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Solution

The fourth proportional to 227,161.44, 313,475.43 and 130,381.22 is: 179,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,161.44 : 313,475.43 = 130,381.22 : x
  2. Step 2: Convert to fraction form
    227,161.44/313,475.43 = 130,381.22/x
  3. Step 3: Cross multiply
    227,161.44x = 313,475.43 × 130,381.22
  4. Step 4: Simplify right side
    227,161.44x = 40,871,309,003.42
  5. Step 5: Solve for x
    x = 40,871,309,003.42/227,161.44
  6. Step 6: Final answer
    x = 179,921.86

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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.