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Finding the Fourth Proportional to 111,165.34, 166,765.42 and 36,268.18

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Solution

The fourth proportional to 111,165.34, 166,765.42 and 36,268.18 is: 54,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,165.34 : 166,765.42 = 36,268.18 : x
  2. Step 2: Convert to fraction form
    111,165.34/166,765.42 = 36,268.18/x
  3. Step 3: Cross multiply
    111,165.34x = 166,765.42 × 36,268.18
  4. Step 4: Simplify right side
    111,165.34x = 6,048,278,270.34
  5. Step 5: Solve for x
    x = 6,048,278,270.34/111,165.34
  6. Step 6: Final answer
    x = 54,407.95

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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.