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Finding the Fourth Proportional to 75,144.80, 103,692.84 and 44,924.24

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Solution

The fourth proportional to 75,144.80, 103,692.84 and 44,924.24 is: 61,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.80 : 103,692.84 = 44,924.24 : x
  2. Step 2: Convert to fraction form
    75,144.80/103,692.84 = 44,924.24/x
  3. Step 3: Cross multiply
    75,144.80x = 103,692.84 × 44,924.24
  4. Step 4: Simplify right side
    75,144.80x = 4,658,322,030.44
  5. Step 5: Solve for x
    x = 4,658,322,030.44/75,144.80
  6. Step 6: Final answer
    x = 61,991.28

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1.5x scale

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.