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Finding the Fourth Proportional to 224,072.80, 336,238.80 and 83,845.60

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Solution

The fourth proportional to 224,072.80, 336,238.80 and 83,845.60 is: 125,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,072.80 : 336,238.80 = 83,845.60 : x
  2. Step 2: Convert to fraction form
    224,072.80/336,238.80 = 83,845.60/x
  3. Step 3: Cross multiply
    224,072.80x = 336,238.80 × 83,845.60
  4. Step 4: Simplify right side
    224,072.80x = 28,192,143,929.28
  5. Step 5: Solve for x
    x = 28,192,143,929.28/224,072.80
  6. Step 6: Final answer
    x = 125,816.89

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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.