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Finding the Fourth Proportional to 225,497.67, 338,246.19 and 92,378.15

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Solution

The fourth proportional to 225,497.67, 338,246.19 and 92,378.15 is: 138,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,497.67 : 338,246.19 = 92,378.15 : x
  2. Step 2: Convert to fraction form
    225,497.67/338,246.19 = 92,378.15/x
  3. Step 3: Cross multiply
    225,497.67x = 338,246.19 × 92,378.15
  4. Step 4: Simplify right side
    225,497.67x = 31,246,556,853.94
  5. Step 5: Solve for x
    x = 31,246,556,853.94/225,497.67
  6. Step 6: Final answer
    x = 138,567.10

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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.