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Finding the Fourth Proportional to 160,861.76, 241,046.48 and 85,992.52

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Solution

The fourth proportional to 160,861.76, 241,046.48 and 85,992.52 is: 128,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,861.76 : 241,046.48 = 85,992.52 : x
  2. Step 2: Convert to fraction form
    160,861.76/241,046.48 = 85,992.52/x
  3. Step 3: Cross multiply
    160,861.76x = 241,046.48 × 85,992.52
  4. Step 4: Simplify right side
    160,861.76x = 20,728,194,252.33
  5. Step 5: Solve for x
    x = 20,728,194,252.33/160,861.76
  6. Step 6: Final answer
    x = 128,857.19

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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.