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Finding the Fourth Proportional to 181,608.35, 272,456.28 and 56,949.35

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Solution

The fourth proportional to 181,608.35, 272,456.28 and 56,949.35 is: 85,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,608.35 : 272,456.28 = 56,949.35 : x
  2. Step 2: Convert to fraction form
    181,608.35/272,456.28 = 56,949.35/x
  3. Step 3: Cross multiply
    181,608.35x = 272,456.28 × 56,949.35
  4. Step 4: Simplify right side
    181,608.35x = 15,516,206,687.14
  5. Step 5: Solve for x
    x = 15,516,206,687.14/181,608.35
  6. Step 6: Final answer
    x = 85,437.74

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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.