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Finding the Fourth Proportional to 108,794.66, 150,147.42 and 73,059.08

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Solution

The fourth proportional to 108,794.66, 150,147.42 and 73,059.08 is: 100,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,794.66 : 150,147.42 = 73,059.08 : x
  2. Step 2: Convert to fraction form
    108,794.66/150,147.42 = 73,059.08/x
  3. Step 3: Cross multiply
    108,794.66x = 150,147.42 × 73,059.08
  4. Step 4: Simplify right side
    108,794.66x = 10,969,632,369.57
  5. Step 5: Solve for x
    x = 10,969,632,369.57/108,794.66
  6. Step 6: Final answer
    x = 100,828.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.