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Finding the Fourth Proportional to 172,817, 259,225.52 and 41,489

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Solution

The fourth proportional to 172,817, 259,225.52 and 41,489 is: 62,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,817 : 259,225.52 = 41,489 : x
  2. Step 2: Convert to fraction form
    172,817/259,225.52 = 41,489/x
  3. Step 3: Cross multiply
    172,817x = 259,225.52 × 41,489
  4. Step 4: Simplify right side
    172,817x = 10,755,007,599.28
  5. Step 5: Solve for x
    x = 10,755,007,599.28/172,817
  6. Step 6: Final answer
    x = 62,233.50

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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.