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Finding the Fourth Proportional to 100,339.76, 150,415.48 and 33,733.32

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Solution

The fourth proportional to 100,339.76, 150,415.48 and 33,733.32 is: 50,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,339.76 : 150,415.48 = 33,733.32 : x
  2. Step 2: Convert to fraction form
    100,339.76/150,415.48 = 33,733.32/x
  3. Step 3: Cross multiply
    100,339.76x = 150,415.48 × 33,733.32
  4. Step 4: Simplify right side
    100,339.76x = 5,074,013,519.79
  5. Step 5: Solve for x
    x = 5,074,013,519.79/100,339.76
  6. Step 6: Final answer
    x = 50,568.32

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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.