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Finding the Fourth Proportional to 111,393.87, 167,134.56 and 49,020.63

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Solution

The fourth proportional to 111,393.87, 167,134.56 and 49,020.63 is: 73,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,393.87 : 167,134.56 = 49,020.63 : x
  2. Step 2: Convert to fraction form
    111,393.87/167,134.56 = 49,020.63/x
  3. Step 3: Cross multiply
    111,393.87x = 167,134.56 × 49,020.63
  4. Step 4: Simplify right side
    111,393.87x = 8,193,041,425.97
  5. Step 5: Solve for x
    x = 8,193,041,425.97/111,393.87
  6. Step 6: Final answer
    x = 73,550.20

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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.