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Finding the Fourth Proportional to 227,353.08, 313,711.02 and 126,751.80

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Solution

The fourth proportional to 227,353.08, 313,711.02 and 126,751.80 is: 174,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,353.08 : 313,711.02 = 126,751.80 : x
  2. Step 2: Convert to fraction form
    227,353.08/313,711.02 = 126,751.80/x
  3. Step 3: Cross multiply
    227,353.08x = 313,711.02 × 126,751.80
  4. Step 4: Simplify right side
    227,353.08x = 39,763,436,464.84
  5. Step 5: Solve for x
    x = 39,763,436,464.84/227,353.08
  6. Step 6: Final answer
    x = 174,897.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.