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Finding the Fourth Proportional to 61,648.96, 84,998.11 and 50,306.94

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Solution

The fourth proportional to 61,648.96, 84,998.11 and 50,306.94 is: 69,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.96 : 84,998.11 = 50,306.94 : x
  2. Step 2: Convert to fraction form
    61,648.96/84,998.11 = 50,306.94/x
  3. Step 3: Cross multiply
    61,648.96x = 84,998.11 × 50,306.94
  4. Step 4: Simplify right side
    61,648.96x = 4,275,994,819.88
  5. Step 5: Solve for x
    x = 4,275,994,819.88/61,648.96
  6. Step 6: Final answer
    x = 69,360.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.