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Finding the Fourth Proportional to 96,692.77, 145,035.95 and 39,764.70

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Solution

The fourth proportional to 96,692.77, 145,035.95 and 39,764.70 is: 59,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,692.77 : 145,035.95 = 39,764.70 : x
  2. Step 2: Convert to fraction form
    96,692.77/145,035.95 = 39,764.70/x
  3. Step 3: Cross multiply
    96,692.77x = 145,035.95 × 39,764.70
  4. Step 4: Simplify right side
    96,692.77x = 5,767,310,842.14
  5. Step 5: Solve for x
    x = 5,767,310,842.14/96,692.77
  6. Step 6: Final answer
    x = 59,645.73

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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.