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Finding the Fourth Proportional to 111,996.54, 167,910.33 and 67,612.74

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Solution

The fourth proportional to 111,996.54, 167,910.33 and 67,612.74 is: 101,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,996.54 : 167,910.33 = 67,612.74 : x
  2. Step 2: Convert to fraction form
    111,996.54/167,910.33 = 67,612.74/x
  3. Step 3: Cross multiply
    111,996.54x = 167,910.33 × 67,612.74
  4. Step 4: Simplify right side
    111,996.54x = 11,352,877,485.60
  5. Step 5: Solve for x
    x = 11,352,877,485.60/111,996.54
  6. Step 6: Final answer
    x = 101,368.11

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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.