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Finding the Fourth Proportional to 67,735.98, 101,603.97 and 28,265.41

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Solution

The fourth proportional to 67,735.98, 101,603.97 and 28,265.41 is: 42,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,735.98 : 101,603.97 = 28,265.41 : x
  2. Step 2: Convert to fraction form
    67,735.98/101,603.97 = 28,265.41/x
  3. Step 3: Cross multiply
    67,735.98x = 101,603.97 × 28,265.41
  4. Step 4: Simplify right side
    67,735.98x = 2,871,877,869.68
  5. Step 5: Solve for x
    x = 2,871,877,869.68/67,735.98
  6. Step 6: Final answer
    x = 42,398.12

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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.