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Finding the Fourth Proportional to 101,299.65, 151,949.54 and 26,419.60

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Solution

The fourth proportional to 101,299.65, 151,949.54 and 26,419.60 is: 39,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,299.65 : 151,949.54 = 26,419.60 : x
  2. Step 2: Convert to fraction form
    101,299.65/151,949.54 = 26,419.60/x
  3. Step 3: Cross multiply
    101,299.65x = 151,949.54 × 26,419.60
  4. Step 4: Simplify right side
    101,299.65x = 4,014,446,066.98
  5. Step 5: Solve for x
    x = 4,014,446,066.98/101,299.65
  6. Step 6: Final answer
    x = 39,629.42

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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.