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Finding the Fourth Proportional to 111,470.34, 167,211 and 44,901.48

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Solution

The fourth proportional to 111,470.34, 167,211 and 44,901.48 is: 67,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,470.34 : 167,211 = 44,901.48 : x
  2. Step 2: Convert to fraction form
    111,470.34/167,211 = 44,901.48/x
  3. Step 3: Cross multiply
    111,470.34x = 167,211 × 44,901.48
  4. Step 4: Simplify right side
    111,470.34x = 7,508,021,372.28
  5. Step 5: Solve for x
    x = 7,508,021,372.28/111,470.34
  6. Step 6: Final answer
    x = 67,354.43

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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.