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Finding the Fourth Proportional to 199,063.80, 298,595.70 and 124,414.20

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Solution

The fourth proportional to 199,063.80, 298,595.70 and 124,414.20 is: 186,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,063.80 : 298,595.70 = 124,414.20 : x
  2. Step 2: Convert to fraction form
    199,063.80/298,595.70 = 124,414.20/x
  3. Step 3: Cross multiply
    199,063.80x = 298,595.70 × 124,414.20
  4. Step 4: Simplify right side
    199,063.80x = 37,149,545,138.94
  5. Step 5: Solve for x
    x = 37,149,545,138.94/199,063.80
  6. Step 6: Final answer
    x = 186,621.30

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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.