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Finding the Fourth Proportional to 159,178.96, 238,770.36 and 53,995.60

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Solution

The fourth proportional to 159,178.96, 238,770.36 and 53,995.60 is: 80,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,178.96 : 238,770.36 = 53,995.60 : x
  2. Step 2: Convert to fraction form
    159,178.96/238,770.36 = 53,995.60/x
  3. Step 3: Cross multiply
    159,178.96x = 238,770.36 × 53,995.60
  4. Step 4: Simplify right side
    159,178.96x = 12,892,548,850.42
  5. Step 5: Solve for x
    x = 12,892,548,850.42/159,178.96
  6. Step 6: Final answer
    x = 80,994.05

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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.