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Finding the Fourth Proportional to 108,651.99, 149,940.09 and 60,257.37

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Solution

The fourth proportional to 108,651.99, 149,940.09 and 60,257.37 is: 83,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,651.99 : 149,940.09 = 60,257.37 : x
  2. Step 2: Convert to fraction form
    108,651.99/149,940.09 = 60,257.37/x
  3. Step 3: Cross multiply
    108,651.99x = 149,940.09 × 60,257.37
  4. Step 4: Simplify right side
    108,651.99x = 9,034,995,480.96
  5. Step 5: Solve for x
    x = 9,034,995,480.96/108,651.99
  6. Step 6: Final answer
    x = 83,155.36

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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.