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Finding the Fourth Proportional to 270,661.96, 373,488.20 and 161,744.68

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Solution

The fourth proportional to 270,661.96, 373,488.20 and 161,744.68 is: 223,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,661.96 : 373,488.20 = 161,744.68 : x
  2. Step 2: Convert to fraction form
    270,661.96/373,488.20 = 161,744.68/x
  3. Step 3: Cross multiply
    270,661.96x = 373,488.20 × 161,744.68
  4. Step 4: Simplify right side
    270,661.96x = 60,409,729,392.78
  5. Step 5: Solve for x
    x = 60,409,729,392.78/270,661.96
  6. Step 6: Final answer
    x = 223,192.54

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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.