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Finding the Fourth Proportional to 202,821.14, 304,239.30 and 60,668.27

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Solution

The fourth proportional to 202,821.14, 304,239.30 and 60,668.27 is: 91,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,821.14 : 304,239.30 = 60,668.27 : x
  2. Step 2: Convert to fraction form
    202,821.14/304,239.30 = 60,668.27/x
  3. Step 3: Cross multiply
    202,821.14x = 304,239.30 × 60,668.27
  4. Step 4: Simplify right side
    202,821.14x = 18,457,671,997.01
  5. Step 5: Solve for x
    x = 18,457,671,997.01/202,821.14
  6. Step 6: Final answer
    x = 91,004.68

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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.