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Finding the Fourth Proportional to 202,374.70, 303,647.10 and 108,771.10

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Solution

The fourth proportional to 202,374.70, 303,647.10 and 108,771.10 is: 163,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,374.70 : 303,647.10 = 108,771.10 : x
  2. Step 2: Convert to fraction form
    202,374.70/303,647.10 = 108,771.10/x
  3. Step 3: Cross multiply
    202,374.70x = 303,647.10 × 108,771.10
  4. Step 4: Simplify right side
    202,374.70x = 33,028,029,078.81
  5. Step 5: Solve for x
    x = 33,028,029,078.81/202,374.70
  6. Step 6: Final answer
    x = 163,202.36

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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.