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Finding the Fourth Proportional to 111,927.30, 167,866.31 and 37,029.70

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Solution

The fourth proportional to 111,927.30, 167,866.31 and 37,029.70 is: 55,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,927.30 : 167,866.31 = 37,029.70 : x
  2. Step 2: Convert to fraction form
    111,927.30/167,866.31 = 37,029.70/x
  3. Step 3: Cross multiply
    111,927.30x = 167,866.31 × 37,029.70
  4. Step 4: Simplify right side
    111,927.30x = 6,216,039,099.41
  5. Step 5: Solve for x
    x = 6,216,039,099.41/111,927.30
  6. Step 6: Final answer
    x = 55,536.40

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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.