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Finding the Fourth Proportional to 181,722.92, 272,584.31 and 48,599.72

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Solution

The fourth proportional to 181,722.92, 272,584.31 and 48,599.72 is: 72,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,722.92 : 272,584.31 = 48,599.72 : x
  2. Step 2: Convert to fraction form
    181,722.92/272,584.31 = 48,599.72/x
  3. Step 3: Cross multiply
    181,722.92x = 272,584.31 × 48,599.72
  4. Step 4: Simplify right side
    181,722.92x = 13,247,520,010.42
  5. Step 5: Solve for x
    x = 13,247,520,010.42/181,722.92
  6. Step 6: Final answer
    x = 72,899.56

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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.