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Finding the Fourth Proportional to 111,930.76, 167,855.82 and 37,037.08

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Solution

The fourth proportional to 111,930.76, 167,855.82 and 37,037.08 is: 55,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,930.76 : 167,855.82 = 37,037.08 : x
  2. Step 2: Convert to fraction form
    111,930.76/167,855.82 = 37,037.08/x
  3. Step 3: Cross multiply
    111,930.76x = 167,855.82 × 37,037.08
  4. Step 4: Simplify right side
    111,930.76x = 6,216,889,433.81
  5. Step 5: Solve for x
    x = 6,216,889,433.81/111,930.76
  6. Step 6: Final answer
    x = 55,542.28

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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.