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Finding the Fourth Proportional to 200,062.20, 300,093.30 and 193,063.80

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Solution

The fourth proportional to 200,062.20, 300,093.30 and 193,063.80 is: 289,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,062.20 : 300,093.30 = 193,063.80 : x
  2. Step 2: Convert to fraction form
    200,062.20/300,093.30 = 193,063.80/x
  3. Step 3: Cross multiply
    200,062.20x = 300,093.30 × 193,063.80
  4. Step 4: Simplify right side
    200,062.20x = 57,937,152,852.54
  5. Step 5: Solve for x
    x = 57,937,152,852.54/200,062.20
  6. Step 6: Final answer
    x = 289,595.70

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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.