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Finding the Fourth Proportional to 227,157.44, 313,469.91 and 130,377.22

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Solution

The fourth proportional to 227,157.44, 313,469.91 and 130,377.22 is: 179,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,157.44 : 313,469.91 = 130,377.22 : x
  2. Step 2: Convert to fraction form
    227,157.44/313,469.91 = 130,377.22/x
  3. Step 3: Cross multiply
    227,157.44x = 313,469.91 × 130,377.22
  4. Step 4: Simplify right side
    227,157.44x = 40,869,334,635.78
  5. Step 5: Solve for x
    x = 40,869,334,635.78/227,157.44
  6. Step 6: Final answer
    x = 179,916.34

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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.