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Finding the Fourth Proportional to 70,692.45, 106,035.90 and 23,945.32

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Solution

The fourth proportional to 70,692.45, 106,035.90 and 23,945.32 is: 35,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.45 : 106,035.90 = 23,945.32 : x
  2. Step 2: Convert to fraction form
    70,692.45/106,035.90 = 23,945.32/x
  3. Step 3: Cross multiply
    70,692.45x = 106,035.90 × 23,945.32
  4. Step 4: Simplify right side
    70,692.45x = 2,539,063,556.99
  5. Step 5: Solve for x
    x = 2,539,063,556.99/70,692.45
  6. Step 6: Final answer
    x = 35,917.04

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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.