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Finding the Fourth Proportional to 172,994.80, 259,492.20 and 73,227.10

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Solution

The fourth proportional to 172,994.80, 259,492.20 and 73,227.10 is: 109,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,994.80 : 259,492.20 = 73,227.10 : x
  2. Step 2: Convert to fraction form
    172,994.80/259,492.20 = 73,227.10/x
  3. Step 3: Cross multiply
    172,994.80x = 259,492.20 × 73,227.10
  4. Step 4: Simplify right side
    172,994.80x = 19,001,861,278.62
  5. Step 5: Solve for x
    x = 19,001,861,278.62/172,994.80
  6. Step 6: Final answer
    x = 109,840.65

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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.