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Finding the Fourth Proportional to 108,452.54, 149,660.16 and 60,710.60

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Solution

The fourth proportional to 108,452.54, 149,660.16 and 60,710.60 is: 83,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,452.54 : 149,660.16 = 60,710.60 : x
  2. Step 2: Convert to fraction form
    108,452.54/149,660.16 = 60,710.60/x
  3. Step 3: Cross multiply
    108,452.54x = 149,660.16 × 60,710.60
  4. Step 4: Simplify right side
    108,452.54x = 9,085,958,256.18
  5. Step 5: Solve for x
    x = 9,085,958,256.18/108,452.54
  6. Step 6: Final answer
    x = 83,778.20

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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.