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Finding the Fourth Proportional to 250,049.54, 344,982.96 and 142,542.08

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Solution

The fourth proportional to 250,049.54, 344,982.96 and 142,542.08 is: 196,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,049.54 : 344,982.96 = 142,542.08 : x
  2. Step 2: Convert to fraction form
    250,049.54/344,982.96 = 142,542.08/x
  3. Step 3: Cross multiply
    250,049.54x = 344,982.96 × 142,542.08
  4. Step 4: Simplify right side
    250,049.54x = 49,174,588,682.96
  5. Step 5: Solve for x
    x = 49,174,588,682.96/250,049.54
  6. Step 6: Final answer
    x = 196,659.38

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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.