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Finding the Fourth Proportional to 223,954.76, 335,944.38 and 90,815.24

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Solution

The fourth proportional to 223,954.76, 335,944.38 and 90,815.24 is: 136,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,954.76 : 335,944.38 = 90,815.24 : x
  2. Step 2: Convert to fraction form
    223,954.76/335,944.38 = 90,815.24/x
  3. Step 3: Cross multiply
    223,954.76x = 335,944.38 × 90,815.24
  4. Step 4: Simplify right side
    223,954.76x = 30,508,869,496.35
  5. Step 5: Solve for x
    x = 30,508,869,496.35/223,954.76
  6. Step 6: Final answer
    x = 136,227.82

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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.