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Finding the Fourth Proportional to 120,737.01, 166,608.74 and 67,017.80

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Solution

The fourth proportional to 120,737.01, 166,608.74 and 67,017.80 is: 92,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,737.01 : 166,608.74 = 67,017.80 : x
  2. Step 2: Convert to fraction form
    120,737.01/166,608.74 = 67,017.80/x
  3. Step 3: Cross multiply
    120,737.01x = 166,608.74 × 67,017.80
  4. Step 4: Simplify right side
    120,737.01x = 11,165,751,383.12
  5. Step 5: Solve for x
    x = 11,165,751,383.12/120,737.01
  6. Step 6: Final answer
    x = 92,479.94

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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.