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Finding the Fourth Proportional to 63,898.54, 95,773.74 and 30,185.80

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Solution

The fourth proportional to 63,898.54, 95,773.74 and 30,185.80 is: 45,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,898.54 : 95,773.74 = 30,185.80 : x
  2. Step 2: Convert to fraction form
    63,898.54/95,773.74 = 30,185.80/x
  3. Step 3: Cross multiply
    63,898.54x = 95,773.74 × 30,185.80
  4. Step 4: Simplify right side
    63,898.54x = 2,891,006,960.89
  5. Step 5: Solve for x
    x = 2,891,006,960.89/63,898.54
  6. Step 6: Final answer
    x = 45,243.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.