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Finding the Fourth Proportional to 100,012.52, 150,060.18 and 43,823.60

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Solution

The fourth proportional to 100,012.52, 150,060.18 and 43,823.60 is: 65,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,012.52 : 150,060.18 = 43,823.60 : x
  2. Step 2: Convert to fraction form
    100,012.52/150,060.18 = 43,823.60/x
  3. Step 3: Cross multiply
    100,012.52x = 150,060.18 × 43,823.60
  4. Step 4: Simplify right side
    100,012.52x = 6,576,177,304.25
  5. Step 5: Solve for x
    x = 6,576,177,304.25/100,012.52
  6. Step 6: Final answer
    x = 65,753.54

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1.5x scale

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.