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Finding the Fourth Proportional to 182,813.20, 274,090.20 and 83,021.20

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Solution

The fourth proportional to 182,813.20, 274,090.20 and 83,021.20 is: 124,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,813.20 : 274,090.20 = 83,021.20 : x
  2. Step 2: Convert to fraction form
    182,813.20/274,090.20 = 83,021.20/x
  3. Step 3: Cross multiply
    182,813.20x = 274,090.20 × 83,021.20
  4. Step 4: Simplify right side
    182,813.20x = 22,755,297,312.24
  5. Step 5: Solve for x
    x = 22,755,297,312.24/182,813.20
  6. Step 6: Final answer
    x = 124,472.94

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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.