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Finding the Fourth Proportional to 95,683.44, 131,951.52 and 72,982.08

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Solution

The fourth proportional to 95,683.44, 131,951.52 and 72,982.08 is: 100,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,683.44 : 131,951.52 = 72,982.08 : x
  2. Step 2: Convert to fraction form
    95,683.44/131,951.52 = 72,982.08/x
  3. Step 3: Cross multiply
    95,683.44x = 131,951.52 × 72,982.08
  4. Step 4: Simplify right side
    95,683.44x = 9,630,096,388.76
  5. Step 5: Solve for x
    x = 9,630,096,388.76/95,683.44
  6. Step 6: Final answer
    x = 100,645.38

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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.