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Finding the Fourth Proportional to 225,715.43, 338,569.77 and 54,937.73

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Solution

The fourth proportional to 225,715.43, 338,569.77 and 54,937.73 is: 82,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,715.43 : 338,569.77 = 54,937.73 : x
  2. Step 2: Convert to fraction form
    225,715.43/338,569.77 = 54,937.73/x
  3. Step 3: Cross multiply
    225,715.43x = 338,569.77 × 54,937.73
  4. Step 4: Simplify right side
    225,715.43x = 18,600,254,610.42
  5. Step 5: Solve for x
    x = 18,600,254,610.42/225,715.43
  6. Step 6: Final answer
    x = 82,405.77

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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.