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Finding the Fourth Proportional to 83,352.84, 124,917.44 and 53,755.44

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Solution

The fourth proportional to 83,352.84, 124,917.44 and 53,755.44 is: 80,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,352.84 : 124,917.44 = 53,755.44 : x
  2. Step 2: Convert to fraction form
    83,352.84/124,917.44 = 53,755.44/x
  3. Step 3: Cross multiply
    83,352.84x = 124,917.44 × 53,755.44
  4. Step 4: Simplify right side
    83,352.84x = 6,714,991,682.10
  5. Step 5: Solve for x
    x = 6,714,991,682.10/83,352.84
  6. Step 6: Final answer
    x = 80,561.04

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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.