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Finding the Fourth Proportional to 110,902.30, 166,369.65 and 36,009.70

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Solution

The fourth proportional to 110,902.30, 166,369.65 and 36,009.70 is: 54,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,902.30 : 166,369.65 = 36,009.70 : x
  2. Step 2: Convert to fraction form
    110,902.30/166,369.65 = 36,009.70/x
  3. Step 3: Cross multiply
    110,902.30x = 166,369.65 × 36,009.70
  4. Step 4: Simplify right side
    110,902.30x = 5,990,921,185.61
  5. Step 5: Solve for x
    x = 5,990,921,185.61/110,902.30
  6. Step 6: Final answer
    x = 54,019.81

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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.