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Finding the Fourth Proportional to 111,152.05, 166,733.39 and 36,272.05

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Solution

The fourth proportional to 111,152.05, 166,733.39 and 36,272.05 is: 54,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,152.05 : 166,733.39 = 36,272.05 : x
  2. Step 2: Convert to fraction form
    111,152.05/166,733.39 = 36,272.05/x
  3. Step 3: Cross multiply
    111,152.05x = 166,733.39 × 36,272.05
  4. Step 4: Simplify right side
    111,152.05x = 6,047,761,858.75
  5. Step 5: Solve for x
    x = 6,047,761,858.75/111,152.05
  6. Step 6: Final answer
    x = 54,409.81

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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.