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Finding the Fourth Proportional to 160,808.44, 221,659.32 and 126,761.44

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Solution

The fourth proportional to 160,808.44, 221,659.32 and 126,761.44 is: 174,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,808.44 : 221,659.32 = 126,761.44 : x
  2. Step 2: Convert to fraction form
    160,808.44/221,659.32 = 126,761.44/x
  3. Step 3: Cross multiply
    160,808.44x = 221,659.32 × 126,761.44
  4. Step 4: Simplify right side
    160,808.44x = 28,097,854,592.62
  5. Step 5: Solve for x
    x = 28,097,854,592.62/160,808.44
  6. Step 6: Final answer
    x = 174,728.73

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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.