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Finding the Fourth Proportional to 95,380.70, 131,606.25 and 61,335.86

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Solution

The fourth proportional to 95,380.70, 131,606.25 and 61,335.86 is: 84,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,380.70 : 131,606.25 = 61,335.86 : x
  2. Step 2: Convert to fraction form
    95,380.70/131,606.25 = 61,335.86/x
  3. Step 3: Cross multiply
    95,380.70x = 131,606.25 × 61,335.86
  4. Step 4: Simplify right side
    95,380.70x = 8,072,182,525.13
  5. Step 5: Solve for x
    x = 8,072,182,525.13/95,380.70
  6. Step 6: Final answer
    x = 84,631.19

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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.