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Finding the Fourth Proportional to 95,384.70, 131,611.77 and 61,339.86

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Solution

The fourth proportional to 95,384.70, 131,611.77 and 61,339.86 is: 84,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,384.70 : 131,611.77 = 61,339.86 : x
  2. Step 2: Convert to fraction form
    95,384.70/131,611.77 = 61,339.86/x
  3. Step 3: Cross multiply
    95,384.70x = 131,611.77 × 61,339.86
  4. Step 4: Simplify right side
    95,384.70x = 8,073,047,546.15
  5. Step 5: Solve for x
    x = 8,073,047,546.15/95,384.70
  6. Step 6: Final answer
    x = 84,636.71

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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.