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Finding the Fourth Proportional to 95,692.80, 143,559.95 and 29,131.20

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Solution

The fourth proportional to 95,692.80, 143,559.95 and 29,131.20 is: 43,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,692.80 : 143,559.95 = 29,131.20 : x
  2. Step 2: Convert to fraction form
    95,692.80/143,559.95 = 29,131.20/x
  3. Step 3: Cross multiply
    95,692.80x = 143,559.95 × 29,131.20
  4. Step 4: Simplify right side
    95,692.80x = 4,182,073,688.27
  5. Step 5: Solve for x
    x = 4,182,073,688.27/95,692.80
  6. Step 6: Final answer
    x = 43,703.12

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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.