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Finding the Fourth Proportional to 100,368.15, 150,552.50 and 33,855

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Solution

The fourth proportional to 100,368.15, 150,552.50 and 33,855 is: 50,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,368.15 : 150,552.50 = 33,855 : x
  2. Step 2: Convert to fraction form
    100,368.15/150,552.50 = 33,855/x
  3. Step 3: Cross multiply
    100,368.15x = 150,552.50 × 33,855
  4. Step 4: Simplify right side
    100,368.15x = 5,096,954,718.23
  5. Step 5: Solve for x
    x = 5,096,954,718.23/100,368.15
  6. Step 6: Final answer
    x = 50,782.59

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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.