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Finding the Fourth Proportional to 111,195.99, 166,795.40 and 36,315.54

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Solution

The fourth proportional to 111,195.99, 166,795.40 and 36,315.54 is: 54,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,195.99 : 166,795.40 = 36,315.54 : x
  2. Step 2: Convert to fraction form
    111,195.99/166,795.40 = 36,315.54/x
  3. Step 3: Cross multiply
    111,195.99x = 166,795.40 × 36,315.54
  4. Step 4: Simplify right side
    111,195.99x = 6,057,264,838.94
  5. Step 5: Solve for x
    x = 6,057,264,838.94/111,195.99
  6. Step 6: Final answer
    x = 54,473.77

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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.