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Finding the Fourth Proportional to 110,921.80, 166,382.70 and 37,049.80

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Solution

The fourth proportional to 110,921.80, 166,382.70 and 37,049.80 is: 55,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,921.80 : 166,382.70 = 37,049.80 : x
  2. Step 2: Convert to fraction form
    110,921.80/166,382.70 = 37,049.80/x
  3. Step 3: Cross multiply
    110,921.80x = 166,382.70 × 37,049.80
  4. Step 4: Simplify right side
    110,921.80x = 6,164,445,758.46
  5. Step 5: Solve for x
    x = 6,164,445,758.46/110,921.80
  6. Step 6: Final answer
    x = 55,574.70

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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.