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Finding the Fourth Proportional to 60,063.30, 90,096.78 and 20,619.96

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Solution

The fourth proportional to 60,063.30, 90,096.78 and 20,619.96 is: 30,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,063.30 : 90,096.78 = 20,619.96 : x
  2. Step 2: Convert to fraction form
    60,063.30/90,096.78 = 20,619.96/x
  3. Step 3: Cross multiply
    60,063.30x = 90,096.78 × 20,619.96
  4. Step 4: Simplify right side
    60,063.30x = 1,857,791,999.73
  5. Step 5: Solve for x
    x = 1,857,791,999.73/60,063.30
  6. Step 6: Final answer
    x = 30,930.57

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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.