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Finding the Fourth Proportional to 200,552.22, 300,804.84 and 80,604.45

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Solution

The fourth proportional to 200,552.22, 300,804.84 and 80,604.45 is: 120,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,552.22 : 300,804.84 = 80,604.45 : x
  2. Step 2: Convert to fraction form
    200,552.22/300,804.84 = 80,604.45/x
  3. Step 3: Cross multiply
    200,552.22x = 300,804.84 × 80,604.45
  4. Step 4: Simplify right side
    200,552.22x = 24,246,208,685.54
  5. Step 5: Solve for x
    x = 24,246,208,685.54/200,552.22
  6. Step 6: Final answer
    x = 120,897.23

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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.