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Finding the Fourth Proportional to 173,781.27, 260,676.47 and 55,452.49

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Solution

The fourth proportional to 173,781.27, 260,676.47 and 55,452.49 is: 83,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,781.27 : 260,676.47 = 55,452.49 : x
  2. Step 2: Convert to fraction form
    173,781.27/260,676.47 = 55,452.49/x
  3. Step 3: Cross multiply
    173,781.27x = 260,676.47 × 55,452.49
  4. Step 4: Simplify right side
    173,781.27x = 14,455,158,832.85
  5. Step 5: Solve for x
    x = 14,455,158,832.85/173,781.27
  6. Step 6: Final answer
    x = 83,180.19

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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.