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Finding the Fourth Proportional to 100,366.65, 150,550.25 and 33,853.50

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Solution

The fourth proportional to 100,366.65, 150,550.25 and 33,853.50 is: 50,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,366.65 : 150,550.25 = 33,853.50 : x
  2. Step 2: Convert to fraction form
    100,366.65/150,550.25 = 33,853.50/x
  3. Step 3: Cross multiply
    100,366.65x = 150,550.25 × 33,853.50
  4. Step 4: Simplify right side
    100,366.65x = 5,096,652,719.11
  5. Step 5: Solve for x
    x = 5,096,652,719.11/100,366.65
  6. Step 6: Final answer
    x = 50,780.34

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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.