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Finding the Fourth Proportional to 217,114.89, 325,674.09 and 84,010.38

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Solution

The fourth proportional to 217,114.89, 325,674.09 and 84,010.38 is: 126,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,114.89 : 325,674.09 = 84,010.38 : x
  2. Step 2: Convert to fraction form
    217,114.89/325,674.09 = 84,010.38/x
  3. Step 3: Cross multiply
    217,114.89x = 325,674.09 × 84,010.38
  4. Step 4: Simplify right side
    217,114.89x = 27,360,004,057.05
  5. Step 5: Solve for x
    x = 27,360,004,057.05/217,114.89
  6. Step 6: Final answer
    x = 126,016.25

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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.