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Finding the Fourth Proportional to 120,794.01, 166,647.93 and 69,797.35

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Solution

The fourth proportional to 120,794.01, 166,647.93 and 69,797.35 is: 96,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,794.01 : 166,647.93 = 69,797.35 : x
  2. Step 2: Convert to fraction form
    120,794.01/166,647.93 = 69,797.35/x
  3. Step 3: Cross multiply
    120,794.01x = 166,647.93 × 69,797.35
  4. Step 4: Simplify right side
    120,794.01x = 11,631,583,063.75
  5. Step 5: Solve for x
    x = 11,631,583,063.75/120,794.01
  6. Step 6: Final answer
    x = 96,292.71

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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.