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Finding the Fourth Proportional to 160,906.60, 241,388.70 and 67,421.80

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Solution

The fourth proportional to 160,906.60, 241,388.70 and 67,421.80 is: 101,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,906.60 : 241,388.70 = 67,421.80 : x
  2. Step 2: Convert to fraction form
    160,906.60/241,388.70 = 67,421.80/x
  3. Step 3: Cross multiply
    160,906.60x = 241,388.70 × 67,421.80
  4. Step 4: Simplify right side
    160,906.60x = 16,274,860,653.66
  5. Step 5: Solve for x
    x = 16,274,860,653.66/160,906.60
  6. Step 6: Final answer
    x = 101,144.77

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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.