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Finding the Fourth Proportional to 100,360, 150,550.08 and 26,488

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Solution

The fourth proportional to 100,360, 150,550.08 and 26,488 is: 39,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,360 : 150,550.08 = 26,488 : x
  2. Step 2: Convert to fraction form
    100,360/150,550.08 = 26,488/x
  3. Step 3: Cross multiply
    100,360x = 150,550.08 × 26,488
  4. Step 4: Simplify right side
    100,360x = 3,987,770,519.04
  5. Step 5: Solve for x
    x = 3,987,770,519.04/100,360
  6. Step 6: Final answer
    x = 39,734.66

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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.