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Finding the Fourth Proportional to 363,755.84, 545,665.76 and 111,093.36

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Solution

The fourth proportional to 363,755.84, 545,665.76 and 111,093.36 is: 166,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,755.84 : 545,665.76 = 111,093.36 : x
  2. Step 2: Convert to fraction form
    363,755.84/545,665.76 = 111,093.36/x
  3. Step 3: Cross multiply
    363,755.84x = 545,665.76 × 111,093.36
  4. Step 4: Simplify right side
    363,755.84x = 60,619,842,715.35
  5. Step 5: Solve for x
    x = 60,619,842,715.35/363,755.84
  6. Step 6: Final answer
    x = 166,649.81

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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.