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Finding the Fourth Proportional to 111,986.65, 167,950.81 and 37,113.49

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Solution

The fourth proportional to 111,986.65, 167,950.81 and 37,113.49 is: 55,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,986.65 : 167,950.81 = 37,113.49 : x
  2. Step 2: Convert to fraction form
    111,986.65/167,950.81 = 37,113.49/x
  3. Step 3: Cross multiply
    111,986.65x = 167,950.81 × 37,113.49
  4. Step 4: Simplify right side
    111,986.65x = 6,233,240,707.43
  5. Step 5: Solve for x
    x = 6,233,240,707.43/111,986.65
  6. Step 6: Final answer
    x = 55,660.57

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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.