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Finding the Fourth Proportional to 227,021.59, 313,311.90 and 169,561.15

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Solution

The fourth proportional to 227,021.59, 313,311.90 and 169,561.15 is: 234,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,021.59 : 313,311.90 = 169,561.15 : x
  2. Step 2: Convert to fraction form
    227,021.59/313,311.90 = 169,561.15/x
  3. Step 3: Cross multiply
    227,021.59x = 313,311.90 × 169,561.15
  4. Step 4: Simplify right side
    227,021.59x = 53,125,524,971.48
  5. Step 5: Solve for x
    x = 53,125,524,971.48/227,021.59
  6. Step 6: Final answer
    x = 234,010.90

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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.