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Finding the Fourth Proportional to 224,305.57, 336,359.98 and 83,965.78

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Solution

The fourth proportional to 224,305.57, 336,359.98 and 83,965.78 is: 125,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,305.57 : 336,359.98 = 83,965.78 : x
  2. Step 2: Convert to fraction form
    224,305.57/336,359.98 = 83,965.78/x
  3. Step 3: Cross multiply
    224,305.57x = 336,359.98 × 83,965.78
  4. Step 4: Simplify right side
    224,305.57x = 28,242,728,081.48
  5. Step 5: Solve for x
    x = 28,242,728,081.48/224,305.57
  6. Step 6: Final answer
    x = 125,911.84

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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.