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Finding the Fourth Proportional to 111,481.97, 167,151.78 and 73,487.34

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Solution

The fourth proportional to 111,481.97, 167,151.78 and 73,487.34 is: 110,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,481.97 : 167,151.78 = 73,487.34 : x
  2. Step 2: Convert to fraction form
    111,481.97/167,151.78 = 73,487.34/x
  3. Step 3: Cross multiply
    111,481.97x = 167,151.78 × 73,487.34
  4. Step 4: Simplify right side
    111,481.97x = 12,283,539,688.47
  5. Step 5: Solve for x
    x = 12,283,539,688.47/111,481.97
  6. Step 6: Final answer
    x = 110,184.10

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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.