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Finding the Fourth Proportional to 172,908.48, 259,367.52 and 48,249.36

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Solution

The fourth proportional to 172,908.48, 259,367.52 and 48,249.36 is: 72,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,908.48 : 259,367.52 = 48,249.36 : x
  2. Step 2: Convert to fraction form
    172,908.48/259,367.52 = 48,249.36/x
  3. Step 3: Cross multiply
    172,908.48x = 259,367.52 × 48,249.36
  4. Step 4: Simplify right side
    172,908.48x = 12,514,316,844.79
  5. Step 5: Solve for x
    x = 12,514,316,844.79/172,908.48
  6. Step 6: Final answer
    x = 72,375.38

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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.