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Finding the Fourth Proportional to 222,037.30, 332,983.05 and 81,777.70

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Solution

The fourth proportional to 222,037.30, 332,983.05 and 81,777.70 is: 122,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,037.30 : 332,983.05 = 81,777.70 : x
  2. Step 2: Convert to fraction form
    222,037.30/332,983.05 = 81,777.70/x
  3. Step 3: Cross multiply
    222,037.30x = 332,983.05 × 81,777.70
  4. Step 4: Simplify right side
    222,037.30x = 27,230,587,967.99
  5. Step 5: Solve for x
    x = 27,230,587,967.99/222,037.30
  6. Step 6: Final answer
    x = 122,639.70

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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.