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Finding the Fourth Proportional to 199,138.60, 298,707.90 and 183,932.20

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Solution

The fourth proportional to 199,138.60, 298,707.90 and 183,932.20 is: 275,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,138.60 : 298,707.90 = 183,932.20 : x
  2. Step 2: Convert to fraction form
    199,138.60/298,707.90 = 183,932.20/x
  3. Step 3: Cross multiply
    199,138.60x = 298,707.90 × 183,932.20
  4. Step 4: Simplify right side
    199,138.60x = 54,942,001,204.38
  5. Step 5: Solve for x
    x = 54,942,001,204.38/199,138.60
  6. Step 6: Final answer
    x = 275,898.30

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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.