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Finding the Fourth Proportional to 67,779.78, 101,644.56 and 23,394.48

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Solution

The fourth proportional to 67,779.78, 101,644.56 and 23,394.48 is: 35,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.78 : 101,644.56 = 23,394.48 : x
  2. Step 2: Convert to fraction form
    67,779.78/101,644.56 = 23,394.48/x
  3. Step 3: Cross multiply
    67,779.78x = 101,644.56 × 23,394.48
  4. Step 4: Simplify right side
    67,779.78x = 2,377,921,626.03
  5. Step 5: Solve for x
    x = 2,377,921,626.03/67,779.78
  6. Step 6: Final answer
    x = 35,083.05

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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.