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Finding the Fourth Proportional to 173,906.80, 260,764.08 and 53,930.48

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Solution

The fourth proportional to 173,906.80, 260,764.08 and 53,930.48 is: 80,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,906.80 : 260,764.08 = 53,930.48 : x
  2. Step 2: Convert to fraction form
    173,906.80/260,764.08 = 53,930.48/x
  3. Step 3: Cross multiply
    173,906.80x = 260,764.08 × 53,930.48
  4. Step 4: Simplify right side
    173,906.80x = 14,063,132,001.16
  5. Step 5: Solve for x
    x = 14,063,132,001.16/173,906.80
  6. Step 6: Final answer
    x = 80,865.91

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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.