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Finding the Fourth Proportional to 101,910.45, 152,179.44 and 83,227.58

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Solution

The fourth proportional to 101,910.45, 152,179.44 and 83,227.58 is: 124,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910.45 : 152,179.44 = 83,227.58 : x
  2. Step 2: Convert to fraction form
    101,910.45/152,179.44 = 83,227.58/x
  3. Step 3: Cross multiply
    101,910.45x = 152,179.44 × 83,227.58
  4. Step 4: Simplify right side
    101,910.45x = 12,665,525,756.06
  5. Step 5: Solve for x
    x = 12,665,525,756.06/101,910.45
  6. Step 6: Final answer
    x = 124,280.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.