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Finding the Fourth Proportional to 67,262.72, 100,880.30 and 25,135.02

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Solution

The fourth proportional to 67,262.72, 100,880.30 and 25,135.02 is: 37,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,262.72 : 100,880.30 = 25,135.02 : x
  2. Step 2: Convert to fraction form
    67,262.72/100,880.30 = 25,135.02/x
  3. Step 3: Cross multiply
    67,262.72x = 100,880.30 × 25,135.02
  4. Step 4: Simplify right side
    67,262.72x = 2,535,628,799.24
  5. Step 5: Solve for x
    x = 2,535,628,799.24/67,262.72
  6. Step 6: Final answer
    x = 37,697.39

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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.