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Finding the Fourth Proportional to 200,529.60, 300,794.40 and 161,163.60

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Solution

The fourth proportional to 200,529.60, 300,794.40 and 161,163.60 is: 241,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,529.60 : 300,794.40 = 161,163.60 : x
  2. Step 2: Convert to fraction form
    200,529.60/300,794.40 = 161,163.60/x
  3. Step 3: Cross multiply
    200,529.60x = 300,794.40 × 161,163.60
  4. Step 4: Simplify right side
    200,529.60x = 48,477,108,363.84
  5. Step 5: Solve for x
    x = 48,477,108,363.84/200,529.60
  6. Step 6: Final answer
    x = 241,745.40

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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.