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Finding the Fourth Proportional to 190,554, 285,842.98 and 64,183.92

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Solution

The fourth proportional to 190,554, 285,842.98 and 64,183.92 is: 96,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,554 : 285,842.98 = 64,183.92 : x
  2. Step 2: Convert to fraction form
    190,554/285,842.98 = 64,183.92/x
  3. Step 3: Cross multiply
    190,554x = 285,842.98 × 64,183.92
  4. Step 4: Simplify right side
    190,554x = 18,346,522,960.88
  5. Step 5: Solve for x
    x = 18,346,522,960.88/190,554
  6. Step 6: Final answer
    x = 96,279.92

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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.