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Finding the Fourth Proportional to 95,540.98, 131,722.58 and 61,488.58

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Solution

The fourth proportional to 95,540.98, 131,722.58 and 61,488.58 is: 84,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,540.98 : 131,722.58 = 61,488.58 : x
  2. Step 2: Convert to fraction form
    95,540.98/131,722.58 = 61,488.58/x
  3. Step 3: Cross multiply
    95,540.98x = 131,722.58 × 61,488.58
  4. Step 4: Simplify right side
    95,540.98x = 8,099,434,398.14
  5. Step 5: Solve for x
    x = 8,099,434,398.14/95,540.98
  6. Step 6: Final answer
    x = 84,774.45

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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.