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Finding the Fourth Proportional to 67,546.84, 101,265.60 and 28,133.56

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Solution

The fourth proportional to 67,546.84, 101,265.60 and 28,133.56 is: 42,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,546.84 : 101,265.60 = 28,133.56 : x
  2. Step 2: Convert to fraction form
    67,546.84/101,265.60 = 28,133.56/x
  3. Step 3: Cross multiply
    67,546.84x = 101,265.60 × 28,133.56
  4. Step 4: Simplify right side
    67,546.84x = 2,848,961,833.54
  5. Step 5: Solve for x
    x = 2,848,961,833.54/67,546.84
  6. Step 6: Final answer
    x = 42,177.57

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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.