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Finding the Fourth Proportional to 363,736.34, 545,604.49 and 111,018.13

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Solution

The fourth proportional to 363,736.34, 545,604.49 and 111,018.13 is: 166,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,736.34 : 545,604.49 = 111,018.13 : x
  2. Step 2: Convert to fraction form
    363,736.34/545,604.49 = 111,018.13/x
  3. Step 3: Cross multiply
    363,736.34x = 545,604.49 × 111,018.13
  4. Step 4: Simplify right side
    363,736.34x = 60,571,988,974.17
  5. Step 5: Solve for x
    x = 60,571,988,974.17/363,736.34
  6. Step 6: Final answer
    x = 166,527.19

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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.