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Finding the Fourth Proportional to 108,797.37, 150,101.87 and 71,093.49

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Solution

The fourth proportional to 108,797.37, 150,101.87 and 71,093.49 is: 98,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,797.37 : 150,101.87 = 71,093.49 : x
  2. Step 2: Convert to fraction form
    108,797.37/150,101.87 = 71,093.49/x
  3. Step 3: Cross multiply
    108,797.37x = 150,101.87 × 71,093.49
  4. Step 4: Simplify right side
    108,797.37x = 10,671,265,793.83
  5. Step 5: Solve for x
    x = 10,671,265,793.83/108,797.37
  6. Step 6: Final answer
    x = 98,083.86

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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.