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Finding the Fourth Proportional to 227,191.50, 313,511.48 and 125,216.63

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Solution

The fourth proportional to 227,191.50, 313,511.48 and 125,216.63 is: 172,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,191.50 : 313,511.48 = 125,216.63 : x
  2. Step 2: Convert to fraction form
    227,191.50/313,511.48 = 125,216.63/x
  3. Step 3: Cross multiply
    227,191.50x = 313,511.48 × 125,216.63
  4. Step 4: Simplify right side
    227,191.50x = 39,256,848,798.27
  5. Step 5: Solve for x
    x = 39,256,848,798.27/227,191.50
  6. Step 6: Final answer
    x = 172,791.89

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1.5x scale

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.