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Finding the Fourth Proportional to 110,901.80, 166,368.90 and 36,009.20

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Solution

The fourth proportional to 110,901.80, 166,368.90 and 36,009.20 is: 54,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,901.80 : 166,368.90 = 36,009.20 : x
  2. Step 2: Convert to fraction form
    110,901.80/166,368.90 = 36,009.20/x
  3. Step 3: Cross multiply
    110,901.80x = 166,368.90 × 36,009.20
  4. Step 4: Simplify right side
    110,901.80x = 5,990,810,993.88
  5. Step 5: Solve for x
    x = 5,990,810,993.88/110,901.80
  6. Step 6: Final answer
    x = 54,019.06

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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.