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Finding the Fourth Proportional to 225,164.51, 337,745.90 and 90,288.88

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Solution

The fourth proportional to 225,164.51, 337,745.90 and 90,288.88 is: 135,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,164.51 : 337,745.90 = 90,288.88 : x
  2. Step 2: Convert to fraction form
    225,164.51/337,745.90 = 90,288.88/x
  3. Step 3: Cross multiply
    225,164.51x = 337,745.90 × 90,288.88
  4. Step 4: Simplify right side
    225,164.51x = 30,494,698,416.95
  5. Step 5: Solve for x
    x = 30,494,698,416.95/225,164.51
  6. Step 6: Final answer
    x = 135,432.97

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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.