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Finding the Fourth Proportional to 202,412.96, 303,618.80 and 54,668.96

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Solution

The fourth proportional to 202,412.96, 303,618.80 and 54,668.96 is: 82,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,412.96 : 303,618.80 = 54,668.96 : x
  2. Step 2: Convert to fraction form
    202,412.96/303,618.80 = 54,668.96/x
  3. Step 3: Cross multiply
    202,412.96x = 303,618.80 × 54,668.96
  4. Step 4: Simplify right side
    202,412.96x = 16,598,524,032.45
  5. Step 5: Solve for x
    x = 16,598,524,032.45/202,412.96
  6. Step 6: Final answer
    x = 82,003.27

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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.