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Finding the Fourth Proportional to 365,949.90, 548,722.62 and 113,160.78

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Solution

The fourth proportional to 365,949.90, 548,722.62 and 113,160.78 is: 169,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,949.90 : 548,722.62 = 113,160.78 : x
  2. Step 2: Convert to fraction form
    365,949.90/548,722.62 = 113,160.78/x
  3. Step 3: Cross multiply
    365,949.90x = 548,722.62 × 113,160.78
  4. Step 4: Simplify right side
    365,949.90x = 62,093,879,682.84
  5. Step 5: Solve for x
    x = 62,093,879,682.84/365,949.90
  6. Step 6: Final answer
    x = 169,678.64

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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.