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Finding the Fourth Proportional to 111,668.93, 167,485.73 and 92,814.56

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Solution

The fourth proportional to 111,668.93, 167,485.73 and 92,814.56 is: 139,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,668.93 : 167,485.73 = 92,814.56 : x
  2. Step 2: Convert to fraction form
    111,668.93/167,485.73 = 92,814.56/x
  3. Step 3: Cross multiply
    111,668.93x = 167,485.73 × 92,814.56
  4. Step 4: Simplify right side
    111,668.93x = 15,545,113,662.80
  5. Step 5: Solve for x
    x = 15,545,113,662.80/111,668.93
  6. Step 6: Final answer
    x = 139,207.15

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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.