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Finding the Fourth Proportional to 227,181.66, 313,510.95 and 131,743.82

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Solution

The fourth proportional to 227,181.66, 313,510.95 and 131,743.82 is: 181,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,181.66 : 313,510.95 = 131,743.82 : x
  2. Step 2: Convert to fraction form
    227,181.66/313,510.95 = 131,743.82/x
  3. Step 3: Cross multiply
    227,181.66x = 313,510.95 × 131,743.82
  4. Step 4: Simplify right side
    227,181.66x = 41,303,128,597.27
  5. Step 5: Solve for x
    x = 41,303,128,597.27/227,181.66
  6. Step 6: Final answer
    x = 181,806.62

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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.