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Finding the Fourth Proportional to 111,094.80, 166,668.60 and 36,215.44

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Solution

The fourth proportional to 111,094.80, 166,668.60 and 36,215.44 is: 54,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,094.80 : 166,668.60 = 36,215.44 : x
  2. Step 2: Convert to fraction form
    111,094.80/166,668.60 = 36,215.44/x
  3. Step 3: Cross multiply
    111,094.80x = 166,668.60 × 36,215.44
  4. Step 4: Simplify right side
    111,094.80x = 6,035,976,683.18
  5. Step 5: Solve for x
    x = 6,035,976,683.18/111,094.80
  6. Step 6: Final answer
    x = 54,331.77

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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.