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Finding the Fourth Proportional to 67,567.29, 101,361.87 and 28,125.96

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Solution

The fourth proportional to 67,567.29, 101,361.87 and 28,125.96 is: 42,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,567.29 : 101,361.87 = 28,125.96 : x
  2. Step 2: Convert to fraction form
    67,567.29/101,361.87 = 28,125.96/x
  3. Step 3: Cross multiply
    67,567.29x = 101,361.87 × 28,125.96
  4. Step 4: Simplify right side
    67,567.29x = 2,850,899,901.15
  5. Step 5: Solve for x
    x = 2,850,899,901.15/67,567.29
  6. Step 6: Final answer
    x = 42,193.49

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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.