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Finding the Fourth Proportional to 172,854, 259,281 and 41,526

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Solution

The fourth proportional to 172,854, 259,281 and 41,526 is: 62,289

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854 : 259,281 = 41,526 : x
  2. Step 2: Convert to fraction form
    172,854/259,281 = 41,526/x
  3. Step 3: Cross multiply
    172,854x = 259,281 × 41,526
  4. Step 4: Simplify right side
    172,854x = 10,766,902,806
  5. Step 5: Solve for x
    x = 10,766,902,806/172,854
  6. Step 6: Final answer
    x = 62,289

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.