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Finding the Fourth Proportional to 67,199.34, 100,728.67 and 25,062.47

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Solution

The fourth proportional to 67,199.34, 100,728.67 and 25,062.47 is: 37,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,199.34 : 100,728.67 = 25,062.47 : x
  2. Step 2: Convert to fraction form
    67,199.34/100,728.67 = 25,062.47/x
  3. Step 3: Cross multiply
    67,199.34x = 100,728.67 × 25,062.47
  4. Step 4: Simplify right side
    67,199.34x = 2,524,509,270.01
  5. Step 5: Solve for x
    x = 2,524,509,270.01/67,199.34
  6. Step 6: Final answer
    x = 37,567.47

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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.