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Finding the Fourth Proportional to 69,951.40, 104,927.10 and 67,229.80

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Solution

The fourth proportional to 69,951.40, 104,927.10 and 67,229.80 is: 100,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,951.40 : 104,927.10 = 67,229.80 : x
  2. Step 2: Convert to fraction form
    69,951.40/104,927.10 = 67,229.80/x
  3. Step 3: Cross multiply
    69,951.40x = 104,927.10 × 67,229.80
  4. Step 4: Simplify right side
    69,951.40x = 7,054,227,947.58
  5. Step 5: Solve for x
    x = 7,054,227,947.58/69,951.40
  6. Step 6: Final answer
    x = 100,844.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.