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Finding the Fourth Proportional to 100,323.72, 150,491.70 and 33,758.22

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Solution

The fourth proportional to 100,323.72, 150,491.70 and 33,758.22 is: 50,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,323.72 : 150,491.70 = 33,758.22 : x
  2. Step 2: Convert to fraction form
    100,323.72/150,491.70 = 33,758.22/x
  3. Step 3: Cross multiply
    100,323.72x = 150,491.70 × 33,758.22
  4. Step 4: Simplify right side
    100,323.72x = 5,080,331,916.77
  5. Step 5: Solve for x
    x = 5,080,331,916.77/100,323.72
  6. Step 6: Final answer
    x = 50,639.39

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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.