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Finding the Fourth Proportional to 111,899.68, 167,866.83 and 37,038.67

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Solution

The fourth proportional to 111,899.68, 167,866.83 and 37,038.67 is: 55,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,899.68 : 167,866.83 = 37,038.67 : x
  2. Step 2: Convert to fraction form
    111,899.68/167,866.83 = 37,038.67/x
  3. Step 3: Cross multiply
    111,899.68x = 167,866.83 × 37,038.67
  4. Step 4: Simplify right side
    111,899.68x = 6,217,563,700.65
  5. Step 5: Solve for x
    x = 6,217,563,700.65/111,899.68
  6. Step 6: Final answer
    x = 55,563.73

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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.