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Finding the Fourth Proportional to 111,422.89, 167,117.93 and 36,550.94

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Solution

The fourth proportional to 111,422.89, 167,117.93 and 36,550.94 is: 54,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,422.89 : 167,117.93 = 36,550.94 : x
  2. Step 2: Convert to fraction form
    111,422.89/167,117.93 = 36,550.94/x
  3. Step 3: Cross multiply
    111,422.89x = 167,117.93 × 36,550.94
  4. Step 4: Simplify right side
    111,422.89x = 6,108,317,432.35
  5. Step 5: Solve for x
    x = 6,108,317,432.35/111,422.89
  6. Step 6: Final answer
    x = 54,821.03

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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.