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Finding the Fourth Proportional to 95,330, 142,902.02 and 45,396.74

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Solution

The fourth proportional to 95,330, 142,902.02 and 45,396.74 is: 68,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,330 : 142,902.02 = 45,396.74 : x
  2. Step 2: Convert to fraction form
    95,330/142,902.02 = 45,396.74/x
  3. Step 3: Cross multiply
    95,330x = 142,902.02 × 45,396.74
  4. Step 4: Simplify right side
    95,330x = 6,487,285,847.41
  5. Step 5: Solve for x
    x = 6,487,285,847.41/95,330
  6. Step 6: Final answer
    x = 68,050.83

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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.