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Finding the Fourth Proportional to 199,139.80, 298,709.70 and 183,933.40

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Solution

The fourth proportional to 199,139.80, 298,709.70 and 183,933.40 is: 275,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,139.80 : 298,709.70 = 183,933.40 : x
  2. Step 2: Convert to fraction form
    199,139.80/298,709.70 = 183,933.40/x
  3. Step 3: Cross multiply
    199,139.80x = 298,709.70 × 183,933.40
  4. Step 4: Simplify right side
    199,139.80x = 54,942,690,733.98
  5. Step 5: Solve for x
    x = 54,942,690,733.98/199,139.80
  6. Step 6: Final answer
    x = 275,900.10

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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.