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Finding the Fourth Proportional to 67,779.52, 101,640.48 and 27,770.96

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Solution

The fourth proportional to 67,779.52, 101,640.48 and 27,770.96 is: 41,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.52 : 101,640.48 = 27,770.96 : x
  2. Step 2: Convert to fraction form
    67,779.52/101,640.48 = 27,770.96/x
  3. Step 3: Cross multiply
    67,779.52x = 101,640.48 × 27,770.96
  4. Step 4: Simplify right side
    67,779.52x = 2,822,653,704.46
  5. Step 5: Solve for x
    x = 2,822,653,704.46/67,779.52
  6. Step 6: Final answer
    x = 41,644.64

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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.