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Finding the Fourth Proportional to 226,563.69, 312,665.91 and 124,596.90

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Solution

The fourth proportional to 226,563.69, 312,665.91 and 124,596.90 is: 171,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,563.69 : 312,665.91 = 124,596.90 : x
  2. Step 2: Convert to fraction form
    226,563.69/312,665.91 = 124,596.90/x
  3. Step 3: Cross multiply
    226,563.69x = 312,665.91 × 124,596.90
  4. Step 4: Simplify right side
    226,563.69x = 38,957,203,121.68
  5. Step 5: Solve for x
    x = 38,957,203,121.68/226,563.69
  6. Step 6: Final answer
    x = 171,948.13

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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.