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Finding the Fourth Proportional to 225,113.67, 337,670.32 and 90,238.68

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Solution

The fourth proportional to 225,113.67, 337,670.32 and 90,238.68 is: 135,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,113.67 : 337,670.32 = 90,238.68 : x
  2. Step 2: Convert to fraction form
    225,113.67/337,670.32 = 90,238.68/x
  3. Step 3: Cross multiply
    225,113.67x = 337,670.32 × 90,238.68
  4. Step 4: Simplify right side
    225,113.67x = 30,470,923,951.98
  5. Step 5: Solve for x
    x = 30,470,923,951.98/225,113.67
  6. Step 6: Final answer
    x = 135,357.95

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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.