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Finding the Fourth Proportional to 213,226.72, 319,903.98 and 63,472.24

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Solution

The fourth proportional to 213,226.72, 319,903.98 and 63,472.24 is: 95,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,226.72 : 319,903.98 = 63,472.24 : x
  2. Step 2: Convert to fraction form
    213,226.72/319,903.98 = 63,472.24/x
  3. Step 3: Cross multiply
    213,226.72x = 319,903.98 × 63,472.24
  4. Step 4: Simplify right side
    213,226.72x = 20,305,022,195.52
  5. Step 5: Solve for x
    x = 20,305,022,195.52/213,226.72
  6. Step 6: Final answer
    x = 95,227.38

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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.