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Finding the Fourth Proportional to 159,673.44, 239,657.58 and 80,842.89

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Solution

The fourth proportional to 159,673.44, 239,657.58 and 80,842.89 is: 121,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,673.44 : 239,657.58 = 80,842.89 : x
  2. Step 2: Convert to fraction form
    159,673.44/239,657.58 = 80,842.89/x
  3. Step 3: Cross multiply
    159,673.44x = 239,657.58 × 80,842.89
  4. Step 4: Simplify right side
    159,673.44x = 19,374,611,377.61
  5. Step 5: Solve for x
    x = 19,374,611,377.61/159,673.44
  6. Step 6: Final answer
    x = 121,338.97

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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.