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Finding the Fourth Proportional to 100,630.36, 150,950.67 and 25,751.14

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Solution

The fourth proportional to 100,630.36, 150,950.67 and 25,751.14 is: 38,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,630.36 : 150,950.67 = 25,751.14 : x
  2. Step 2: Convert to fraction form
    100,630.36/150,950.67 = 25,751.14/x
  3. Step 3: Cross multiply
    100,630.36x = 150,950.67 × 25,751.14
  4. Step 4: Simplify right side
    100,630.36x = 3,887,151,836.26
  5. Step 5: Solve for x
    x = 3,887,151,836.26/100,630.36
  6. Step 6: Final answer
    x = 38,628.02

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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.