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Finding the Fourth Proportional to 225,674.10, 338,011.99 and 92,149.45

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Solution

The fourth proportional to 225,674.10, 338,011.99 and 92,149.45 is: 138,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,674.10 : 338,011.99 = 92,149.45 : x
  2. Step 2: Convert to fraction form
    225,674.10/338,011.99 = 92,149.45/x
  3. Step 3: Cross multiply
    225,674.10x = 338,011.99 × 92,149.45
  4. Step 4: Simplify right side
    225,674.10x = 31,147,617,896.50
  5. Step 5: Solve for x
    x = 31,147,617,896.50/225,674.10
  6. Step 6: Final answer
    x = 138,020.35

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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.