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Finding the Fourth Proportional to 108,103.70, 149,190.05 and 60,357.04

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Solution

The fourth proportional to 108,103.70, 149,190.05 and 60,357.04 is: 83,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103.70 : 149,190.05 = 60,357.04 : x
  2. Step 2: Convert to fraction form
    108,103.70/149,190.05 = 60,357.04/x
  3. Step 3: Cross multiply
    108,103.70x = 149,190.05 × 60,357.04
  4. Step 4: Simplify right side
    108,103.70x = 9,004,669,593.37
  5. Step 5: Solve for x
    x = 9,004,669,593.37/108,103.70
  6. Step 6: Final answer
    x = 83,296.59

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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.