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Finding the Fourth Proportional to 120,744.98, 166,624.80 and 67,028.62

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Solution

The fourth proportional to 120,744.98, 166,624.80 and 67,028.62 is: 92,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744.98 : 166,624.80 = 67,028.62 : x
  2. Step 2: Convert to fraction form
    120,744.98/166,624.80 = 67,028.62/x
  3. Step 3: Cross multiply
    120,744.98x = 166,624.80 × 67,028.62
  4. Step 4: Simplify right side
    120,744.98x = 11,168,630,401.78
  5. Step 5: Solve for x
    x = 11,168,630,401.78/120,744.98
  6. Step 6: Final answer
    x = 92,497.68

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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.