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Finding the Fourth Proportional to 217,456.25, 300,092.55 and 162,911.55

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Solution

The fourth proportional to 217,456.25, 300,092.55 and 162,911.55 is: 224,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,456.25 : 300,092.55 = 162,911.55 : x
  2. Step 2: Convert to fraction form
    217,456.25/300,092.55 = 162,911.55/x
  3. Step 3: Cross multiply
    217,456.25x = 300,092.55 × 162,911.55
  4. Step 4: Simplify right side
    217,456.25x = 48,888,542,978.38
  5. Step 5: Solve for x
    x = 48,888,542,978.38/217,456.25
  6. Step 6: Final answer
    x = 224,820.14

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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.