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Finding the Fourth Proportional to 298,074.96, 411,346.42 and 162,112.01

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Solution

The fourth proportional to 298,074.96, 411,346.42 and 162,112.01 is: 223,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,074.96 : 411,346.42 = 162,112.01 : x
  2. Step 2: Convert to fraction form
    298,074.96/411,346.42 = 162,112.01/x
  3. Step 3: Cross multiply
    298,074.96x = 411,346.42 × 162,112.01
  4. Step 4: Simplify right side
    298,074.96x = 66,684,192,490.49
  5. Step 5: Solve for x
    x = 66,684,192,490.49/298,074.96
  6. Step 6: Final answer
    x = 223,716.18

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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.