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Finding the Fourth Proportional to 227,060.52, 313,353.20 and 126,458.52

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Solution

The fourth proportional to 227,060.52, 313,353.20 and 126,458.52 is: 174,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,060.52 : 313,353.20 = 126,458.52 : x
  2. Step 2: Convert to fraction form
    227,060.52/313,353.20 = 126,458.52/x
  3. Step 3: Cross multiply
    227,060.52x = 313,353.20 × 126,458.52
  4. Step 4: Simplify right side
    227,060.52x = 39,626,181,909.26
  5. Step 5: Solve for x
    x = 39,626,181,909.26/227,060.52
  6. Step 6: Final answer
    x = 174,518.15

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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.