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Finding the Fourth Proportional to 215,993.68, 298,068.69 and 119,198.27

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Solution

The fourth proportional to 215,993.68, 298,068.69 and 119,198.27 is: 164,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,993.68 : 298,068.69 = 119,198.27 : x
  2. Step 2: Convert to fraction form
    215,993.68/298,068.69 = 119,198.27/x
  3. Step 3: Cross multiply
    215,993.68x = 298,068.69 × 119,198.27
  4. Step 4: Simplify right side
    215,993.68x = 35,529,271,593.18
  5. Step 5: Solve for x
    x = 35,529,271,593.18/215,993.68
  6. Step 6: Final answer
    x = 164,492.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.