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Finding the Fourth Proportional to 105,336.56, 158,069.60 and 95,493.44

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Solution

The fourth proportional to 105,336.56, 158,069.60 and 95,493.44 is: 143,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,336.56 : 158,069.60 = 95,493.44 : x
  2. Step 2: Convert to fraction form
    105,336.56/158,069.60 = 95,493.44/x
  3. Step 3: Cross multiply
    105,336.56x = 158,069.60 × 95,493.44
  4. Step 4: Simplify right side
    105,336.56x = 15,094,609,863.42
  5. Step 5: Solve for x
    x = 15,094,609,863.42/105,336.56
  6. Step 6: Final answer
    x = 143,298.87

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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.