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Finding the Fourth Proportional to 224,456.99, 336,738.95 and 84,216.83

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Solution

The fourth proportional to 224,456.99, 336,738.95 and 84,216.83 is: 126,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,456.99 : 336,738.95 = 84,216.83 : x
  2. Step 2: Convert to fraction form
    224,456.99/336,738.95 = 84,216.83/x
  3. Step 3: Cross multiply
    224,456.99x = 336,738.95 × 84,216.83
  4. Step 4: Simplify right side
    224,456.99x = 28,359,086,485.44
  5. Step 5: Solve for x
    x = 28,359,086,485.44/224,456.99
  6. Step 6: Final answer
    x = 126,345.30

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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.