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Finding the Fourth Proportional to 225,319.92, 337,858.64 and 90,316.24

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Solution

The fourth proportional to 225,319.92, 337,858.64 and 90,316.24 is: 135,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,319.92 : 337,858.64 = 90,316.24 : x
  2. Step 2: Convert to fraction form
    225,319.92/337,858.64 = 90,316.24/x
  3. Step 3: Cross multiply
    225,319.92x = 337,858.64 × 90,316.24
  4. Step 4: Simplify right side
    225,319.92x = 30,514,122,016.31
  5. Step 5: Solve for x
    x = 30,514,122,016.31/225,319.92
  6. Step 6: Final answer
    x = 135,425.76

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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.