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Finding the Fourth Proportional to 67,742.87, 101,798.15 and 36,174.89

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Solution

The fourth proportional to 67,742.87, 101,798.15 and 36,174.89 is: 54,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,742.87 : 101,798.15 = 36,174.89 : x
  2. Step 2: Convert to fraction form
    67,742.87/101,798.15 = 36,174.89/x
  3. Step 3: Cross multiply
    67,742.87x = 101,798.15 × 36,174.89
  4. Step 4: Simplify right side
    67,742.87x = 3,682,536,878.45
  5. Step 5: Solve for x
    x = 3,682,536,878.45/67,742.87
  6. Step 6: Final answer
    x = 54,360.51

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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.