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Finding the Fourth Proportional to 227,326.50, 313,818.17 and 131,798.34

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Solution

The fourth proportional to 227,326.50, 313,818.17 and 131,798.34 is: 181,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,326.50 : 313,818.17 = 131,798.34 : x
  2. Step 2: Convert to fraction form
    227,326.50/313,818.17 = 131,798.34/x
  3. Step 3: Cross multiply
    227,326.50x = 313,818.17 × 131,798.34
  4. Step 4: Simplify right side
    227,326.50x = 41,360,713,208.85
  5. Step 5: Solve for x
    x = 41,360,713,208.85/227,326.50
  6. Step 6: Final answer
    x = 181,944.09

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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.