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Finding the Fourth Proportional to 110,769.30, 166,040.55 and 54,522.90

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Solution

The fourth proportional to 110,769.30, 166,040.55 and 54,522.90 is: 81,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,769.30 : 166,040.55 = 54,522.90 : x
  2. Step 2: Convert to fraction form
    110,769.30/166,040.55 = 54,522.90/x
  3. Step 3: Cross multiply
    110,769.30x = 166,040.55 × 54,522.90
  4. Step 4: Simplify right side
    110,769.30x = 9,053,012,303.60
  5. Step 5: Solve for x
    x = 9,053,012,303.60/110,769.30
  6. Step 6: Final answer
    x = 81,728.53

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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.