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Finding the Fourth Proportional to 110,844.45, 166,266.68 and 75,852.45

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Solution

The fourth proportional to 110,844.45, 166,266.68 and 75,852.45 is: 113,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,844.45 : 166,266.68 = 75,852.45 : x
  2. Step 2: Convert to fraction form
    110,844.45/166,266.68 = 75,852.45/x
  3. Step 3: Cross multiply
    110,844.45x = 166,266.68 × 75,852.45
  4. Step 4: Simplify right side
    110,844.45x = 12,611,734,652.10
  5. Step 5: Solve for x
    x = 12,611,734,652.10/110,844.45
  6. Step 6: Final answer
    x = 113,778.68

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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.