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Finding the Fourth Proportional to 95,108.64, 131,263.74 and 54,814.56

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Solution

The fourth proportional to 95,108.64, 131,263.74 and 54,814.56 is: 75,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,108.64 : 131,263.74 = 54,814.56 : x
  2. Step 2: Convert to fraction form
    95,108.64/131,263.74 = 54,814.56/x
  3. Step 3: Cross multiply
    95,108.64x = 131,263.74 × 54,814.56
  4. Step 4: Simplify right side
    95,108.64x = 7,195,164,152.05
  5. Step 5: Solve for x
    x = 7,195,164,152.05/95,108.64
  6. Step 6: Final answer
    x = 75,652.06

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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.