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Finding the Fourth Proportional to 161,234.54, 241,921.48 and 61,424.72

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Solution

The fourth proportional to 161,234.54, 241,921.48 and 61,424.72 is: 92,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,234.54 : 241,921.48 = 61,424.72 : x
  2. Step 2: Convert to fraction form
    161,234.54/241,921.48 = 61,424.72/x
  3. Step 3: Cross multiply
    161,234.54x = 241,921.48 × 61,424.72
  4. Step 4: Simplify right side
    161,234.54x = 14,859,959,170.99
  5. Step 5: Solve for x
    x = 14,859,959,170.99/161,234.54
  6. Step 6: Final answer
    x = 92,163.62

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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.