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Finding the Fourth Proportional to 111,887.51, 167,791.29 and 36,993.83

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Solution

The fourth proportional to 111,887.51, 167,791.29 and 36,993.83 is: 55,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,887.51 : 167,791.29 = 36,993.83 : x
  2. Step 2: Convert to fraction form
    111,887.51/167,791.29 = 36,993.83/x
  3. Step 3: Cross multiply
    111,887.51x = 167,791.29 × 36,993.83
  4. Step 4: Simplify right side
    111,887.51x = 6,207,242,457.74
  5. Step 5: Solve for x
    x = 6,207,242,457.74/111,887.51
  6. Step 6: Final answer
    x = 55,477.53

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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.