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Finding the Fourth Proportional to 61,198.72, 84,406.62 and 44,266.48

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Solution

The fourth proportional to 61,198.72, 84,406.62 and 44,266.48 is: 61,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.72 : 84,406.62 = 44,266.48 : x
  2. Step 2: Convert to fraction form
    61,198.72/84,406.62 = 44,266.48/x
  3. Step 3: Cross multiply
    61,198.72x = 84,406.62 × 44,266.48
  4. Step 4: Simplify right side
    61,198.72x = 3,736,383,956.10
  5. Step 5: Solve for x
    x = 3,736,383,956.10/61,198.72
  6. Step 6: Final answer
    x = 61,053.30

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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.