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Finding the Fourth Proportional to 111,816.54, 167,689.27 and 36,922.73

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Solution

The fourth proportional to 111,816.54, 167,689.27 and 36,922.73 is: 55,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816.54 : 167,689.27 = 36,922.73 : x
  2. Step 2: Convert to fraction form
    111,816.54/167,689.27 = 36,922.73/x
  3. Step 3: Cross multiply
    111,816.54x = 167,689.27 × 36,922.73
  4. Step 4: Simplify right side
    111,816.54x = 6,191,544,801.66
  5. Step 5: Solve for x
    x = 6,191,544,801.66/111,816.54
  6. Step 6: Final answer
    x = 55,372.35

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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.