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Finding the Fourth Proportional to 100,356.48, 150,544.80 and 26,484.48

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Solution

The fourth proportional to 100,356.48, 150,544.80 and 26,484.48 is: 39,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,356.48 : 150,544.80 = 26,484.48 : x
  2. Step 2: Convert to fraction form
    100,356.48/150,544.80 = 26,484.48/x
  3. Step 3: Cross multiply
    100,356.48x = 150,544.80 × 26,484.48
  4. Step 4: Simplify right side
    100,356.48x = 3,987,100,744.70
  5. Step 5: Solve for x
    x = 3,987,100,744.70/100,356.48
  6. Step 6: Final answer
    x = 39,729.38

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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.