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Finding the Fourth Proportional to 67,505.68, 101,266.60 and 28,089.44

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Solution

The fourth proportional to 67,505.68, 101,266.60 and 28,089.44 is: 42,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,505.68 : 101,266.60 = 28,089.44 : x
  2. Step 2: Convert to fraction form
    67,505.68/101,266.60 = 28,089.44/x
  3. Step 3: Cross multiply
    67,505.68x = 101,266.60 × 28,089.44
  4. Step 4: Simplify right side
    67,505.68x = 2,844,522,084.70
  5. Step 5: Solve for x
    x = 2,844,522,084.70/67,505.68
  6. Step 6: Final answer
    x = 42,137.52

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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.