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Finding the Fourth Proportional to 111,590.51, 167,386.64 and 41,469.75

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Solution

The fourth proportional to 111,590.51, 167,386.64 and 41,469.75 is: 62,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,590.51 : 167,386.64 = 41,469.75 : x
  2. Step 2: Convert to fraction form
    111,590.51/167,386.64 = 41,469.75/x
  3. Step 3: Cross multiply
    111,590.51x = 167,386.64 × 41,469.75
  4. Step 4: Simplify right side
    111,590.51x = 6,941,481,906.79
  5. Step 5: Solve for x
    x = 6,941,481,906.79/111,590.51
  6. Step 6: Final answer
    x = 62,204.95

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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.