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Finding the Fourth Proportional to 227,610.90, 341,622.90 and 115,369.20

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Solution

The fourth proportional to 227,610.90, 341,622.90 and 115,369.20 is: 173,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,610.90 : 341,622.90 = 115,369.20 : x
  2. Step 2: Convert to fraction form
    227,610.90/341,622.90 = 115,369.20/x
  3. Step 3: Cross multiply
    227,610.90x = 341,622.90 × 115,369.20
  4. Step 4: Simplify right side
    227,610.90x = 39,412,760,674.68
  5. Step 5: Solve for x
    x = 39,412,760,674.68/227,610.90
  6. Step 6: Final answer
    x = 173,158.49

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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.