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Finding the Fourth Proportional to 172,892.44, 259,329.48 and 52,949.35

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Solution

The fourth proportional to 172,892.44, 259,329.48 and 52,949.35 is: 79,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,892.44 : 259,329.48 = 52,949.35 : x
  2. Step 2: Convert to fraction form
    172,892.44/259,329.48 = 52,949.35/x
  3. Step 3: Cross multiply
    172,892.44x = 259,329.48 × 52,949.35
  4. Step 4: Simplify right side
    172,892.44x = 13,731,327,401.84
  5. Step 5: Solve for x
    x = 13,731,327,401.84/172,892.44
  6. Step 6: Final answer
    x = 79,421.21

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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.