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Finding the Fourth Proportional to 100,111.86, 150,166.02 and 25,230.33

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Solution

The fourth proportional to 100,111.86, 150,166.02 and 25,230.33 is: 37,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,111.86 : 150,166.02 = 25,230.33 : x
  2. Step 2: Convert to fraction form
    100,111.86/150,166.02 = 25,230.33/x
  3. Step 3: Cross multiply
    100,111.86x = 150,166.02 × 25,230.33
  4. Step 4: Simplify right side
    100,111.86x = 3,788,738,239.39
  5. Step 5: Solve for x
    x = 3,788,738,239.39/100,111.86
  6. Step 6: Final answer
    x = 37,845.05

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1.5x scale

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.