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Finding the Fourth Proportional to 356,236.33, 534,354.49 and 89,997.61

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Solution

The fourth proportional to 356,236.33, 534,354.49 and 89,997.61 is: 134,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,236.33 : 534,354.49 = 89,997.61 : x
  2. Step 2: Convert to fraction form
    356,236.33/534,354.49 = 89,997.61/x
  3. Step 3: Cross multiply
    356,236.33x = 534,354.49 × 89,997.61
  4. Step 4: Simplify right side
    356,236.33x = 48,090,626,992.77
  5. Step 5: Solve for x
    x = 48,090,626,992.77/356,236.33
  6. Step 6: Final answer
    x = 134,996.41

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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.