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Finding the Fourth Proportional to 95,152.80, 131,310.54 and 54,866.40

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Solution

The fourth proportional to 95,152.80, 131,310.54 and 54,866.40 is: 75,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,152.80 : 131,310.54 = 54,866.40 : x
  2. Step 2: Convert to fraction form
    95,152.80/131,310.54 = 54,866.40/x
  3. Step 3: Cross multiply
    95,152.80x = 131,310.54 × 54,866.40
  4. Step 4: Simplify right side
    95,152.80x = 7,204,536,611.86
  5. Step 5: Solve for x
    x = 7,204,536,611.86/95,152.80
  6. Step 6: Final answer
    x = 75,715.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.