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Finding the Fourth Proportional to 250,422.17, 375,466.32 and 130,183.61

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Solution

The fourth proportional to 250,422.17, 375,466.32 and 130,183.61 is: 195,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,422.17 : 375,466.32 = 130,183.61 : x
  2. Step 2: Convert to fraction form
    250,422.17/375,466.32 = 130,183.61/x
  3. Step 3: Cross multiply
    250,422.17x = 375,466.32 × 130,183.61
  4. Step 4: Simplify right side
    250,422.17x = 48,879,559,093.68
  5. Step 5: Solve for x
    x = 48,879,559,093.68/250,422.17
  6. Step 6: Final answer
    x = 195,188.63

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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.