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Finding the Fourth Proportional to 167,224.35, 250,874.85 and 72,470.45

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Solution

The fourth proportional to 167,224.35, 250,874.85 and 72,470.45 is: 108,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,224.35 : 250,874.85 = 72,470.45 : x
  2. Step 2: Convert to fraction form
    167,224.35/250,874.85 = 72,470.45/x
  3. Step 3: Cross multiply
    167,224.35x = 250,874.85 × 72,470.45
  4. Step 4: Simplify right side
    167,224.35x = 18,181,012,018.81
  5. Step 5: Solve for x
    x = 18,181,012,018.81/167,224.35
  6. Step 6: Final answer
    x = 108,722.28

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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.