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Finding the Fourth Proportional to 100,014.52, 150,063.20 and 43,825.60

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Solution

The fourth proportional to 100,014.52, 150,063.20 and 43,825.60 is: 65,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,014.52 : 150,063.20 = 43,825.60 : x
  2. Step 2: Convert to fraction form
    100,014.52/150,063.20 = 43,825.60/x
  3. Step 3: Cross multiply
    100,014.52x = 150,063.20 × 43,825.60
  4. Step 4: Simplify right side
    100,014.52x = 6,576,609,777.92
  5. Step 5: Solve for x
    x = 6,576,609,777.92/100,014.52
  6. Step 6: Final answer
    x = 65,756.55

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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.