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Finding the Fourth Proportional to 181,846.68, 272,763.64 and 55,481.82

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Solution

The fourth proportional to 181,846.68, 272,763.64 and 55,481.82 is: 83,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,846.68 : 272,763.64 = 55,481.82 : x
  2. Step 2: Convert to fraction form
    181,846.68/272,763.64 = 55,481.82/x
  3. Step 3: Cross multiply
    181,846.68x = 272,763.64 × 55,481.82
  4. Step 4: Simplify right side
    181,846.68x = 15,133,423,177.02
  5. Step 5: Solve for x
    x = 15,133,423,177.02/181,846.68
  6. Step 6: Final answer
    x = 83,220.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.