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Finding the Fourth Proportional to 100,212.51, 150,332.57 and 33,671.65

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Solution

The fourth proportional to 100,212.51, 150,332.57 and 33,671.65 is: 50,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,212.51 : 150,332.57 = 33,671.65 : x
  2. Step 2: Convert to fraction form
    100,212.51/150,332.57 = 33,671.65/x
  3. Step 3: Cross multiply
    100,212.51x = 150,332.57 × 33,671.65
  4. Step 4: Simplify right side
    100,212.51x = 5,061,945,680.64
  5. Step 5: Solve for x
    x = 5,061,945,680.64/100,212.51
  6. Step 6: Final answer
    x = 50,512.11

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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.