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Finding the Fourth Proportional to 100,560.48, 150,611.10 and 48,006.90

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Solution

The fourth proportional to 100,560.48, 150,611.10 and 48,006.90 is: 71,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,560.48 : 150,611.10 = 48,006.90 : x
  2. Step 2: Convert to fraction form
    100,560.48/150,611.10 = 48,006.90/x
  3. Step 3: Cross multiply
    100,560.48x = 150,611.10 × 48,006.90
  4. Step 4: Simplify right side
    100,560.48x = 7,230,372,016.59
  5. Step 5: Solve for x
    x = 7,230,372,016.59/100,560.48
  6. Step 6: Final answer
    x = 71,900.73

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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.