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Finding the Fourth Proportional to 108,369.48, 149,550.42 and 60,622.80

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Solution

The fourth proportional to 108,369.48, 149,550.42 and 60,622.80 is: 83,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,369.48 : 149,550.42 = 60,622.80 : x
  2. Step 2: Convert to fraction form
    108,369.48/149,550.42 = 60,622.80/x
  3. Step 3: Cross multiply
    108,369.48x = 149,550.42 × 60,622.80
  4. Step 4: Simplify right side
    108,369.48x = 9,066,165,201.58
  5. Step 5: Solve for x
    x = 9,066,165,201.58/108,369.48
  6. Step 6: Final answer
    x = 83,659.76

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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.