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Finding the Fourth Proportional to 110,686.40, 166,029.60 and 44,136.80

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Solution

The fourth proportional to 110,686.40, 166,029.60 and 44,136.80 is: 66,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,686.40 : 166,029.60 = 44,136.80 : x
  2. Step 2: Convert to fraction form
    110,686.40/166,029.60 = 44,136.80/x
  3. Step 3: Cross multiply
    110,686.40x = 166,029.60 × 44,136.80
  4. Step 4: Simplify right side
    110,686.40x = 7,328,015,249.28
  5. Step 5: Solve for x
    x = 7,328,015,249.28/110,686.40
  6. Step 6: Final answer
    x = 66,205.20

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1.5x scale

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.