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Finding the Fourth Proportional to 172,737.48, 259,115.51 and 54,418.08

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Solution

The fourth proportional to 172,737.48, 259,115.51 and 54,418.08 is: 81,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,737.48 : 259,115.51 = 54,418.08 : x
  2. Step 2: Convert to fraction form
    172,737.48/259,115.51 = 54,418.08/x
  3. Step 3: Cross multiply
    172,737.48x = 259,115.51 × 54,418.08
  4. Step 4: Simplify right side
    172,737.48x = 14,100,568,552.42
  5. Step 5: Solve for x
    x = 14,100,568,552.42/172,737.48
  6. Step 6: Final answer
    x = 81,630.05

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1.5x scale

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.