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Finding the Fourth Proportional to 108,616.08, 149,893.56 and 60,858.48

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Solution

The fourth proportional to 108,616.08, 149,893.56 and 60,858.48 is: 83,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,616.08 : 149,893.56 = 60,858.48 : x
  2. Step 2: Convert to fraction form
    108,616.08/149,893.56 = 60,858.48/x
  3. Step 3: Cross multiply
    108,616.08x = 149,893.56 × 60,858.48
  4. Step 4: Simplify right side
    108,616.08x = 9,122,294,223.39
  5. Step 5: Solve for x
    x = 9,122,294,223.39/108,616.08
  6. Step 6: Final answer
    x = 83,986.59

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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.