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Finding the Fourth Proportional to 178,993.89, 246,764.46 and 142,818.18

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Solution

The fourth proportional to 178,993.89, 246,764.46 and 142,818.18 is: 196,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,993.89 : 246,764.46 = 142,818.18 : x
  2. Step 2: Convert to fraction form
    178,993.89/246,764.46 = 142,818.18/x
  3. Step 3: Cross multiply
    178,993.89x = 246,764.46 × 142,818.18
  4. Step 4: Simplify right side
    178,993.89x = 35,242,451,065.88
  5. Step 5: Solve for x
    x = 35,242,451,065.88/178,993.89
  6. Step 6: Final answer
    x = 196,891.92

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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.