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Finding the Fourth Proportional to 167,477.54, 251,215.74 and 67,636.62

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Solution

The fourth proportional to 167,477.54, 251,215.74 and 67,636.62 is: 101,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,477.54 : 251,215.74 = 67,636.62 : x
  2. Step 2: Convert to fraction form
    167,477.54/251,215.74 = 67,636.62/x
  3. Step 3: Cross multiply
    167,477.54x = 251,215.74 × 67,636.62
  4. Step 4: Simplify right side
    167,477.54x = 16,991,383,544.40
  5. Step 5: Solve for x
    x = 16,991,383,544.40/167,477.54
  6. Step 6: Final answer
    x = 101,454.70

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1.5x scale

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.