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Finding the Fourth Proportional to 111,119.53, 166,684.65 and 36,239.54

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Solution

The fourth proportional to 111,119.53, 166,684.65 and 36,239.54 is: 54,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,119.53 : 166,684.65 = 36,239.54 : x
  2. Step 2: Convert to fraction form
    111,119.53/166,684.65 = 36,239.54/x
  3. Step 3: Cross multiply
    111,119.53x = 166,684.65 × 36,239.54
  4. Step 4: Simplify right side
    111,119.53x = 6,040,574,275.59
  5. Step 5: Solve for x
    x = 6,040,574,275.59/111,119.53
  6. Step 6: Final answer
    x = 54,361.05

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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.