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Finding the Fourth Proportional to 172,994.88, 259,594.80 and 73,149.60

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Solution

The fourth proportional to 172,994.88, 259,594.80 and 73,149.60 is: 109,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,994.88 : 259,594.80 = 73,149.60 : x
  2. Step 2: Convert to fraction form
    172,994.88/259,594.80 = 73,149.60/x
  3. Step 3: Cross multiply
    172,994.88x = 259,594.80 × 73,149.60
  4. Step 4: Simplify right side
    172,994.88x = 18,989,255,782.08
  5. Step 5: Solve for x
    x = 18,989,255,782.08/172,994.88
  6. Step 6: Final answer
    x = 109,767.73

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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.