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Finding the Fourth Proportional to 109,922, 151,692.38 and 62,174.32

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Solution

The fourth proportional to 109,922, 151,692.38 and 62,174.32 is: 85,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,922 : 151,692.38 = 62,174.32 : x
  2. Step 2: Convert to fraction form
    109,922/151,692.38 = 62,174.32/x
  3. Step 3: Cross multiply
    109,922x = 151,692.38 × 62,174.32
  4. Step 4: Simplify right side
    109,922x = 9,431,370,575.68
  5. Step 5: Solve for x
    x = 9,431,370,575.68/109,922
  6. Step 6: Final answer
    x = 85,800.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.