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Finding the Fourth Proportional to 199,044.78, 274,486.20 and 168,912.78

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Solution

The fourth proportional to 199,044.78, 274,486.20 and 168,912.78 is: 232,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,044.78 : 274,486.20 = 168,912.78 : x
  2. Step 2: Convert to fraction form
    199,044.78/274,486.20 = 168,912.78/x
  3. Step 3: Cross multiply
    199,044.78x = 274,486.20 × 168,912.78
  4. Step 4: Simplify right side
    199,044.78x = 46,364,227,113.64
  5. Step 5: Solve for x
    x = 46,364,227,113.64/199,044.78
  6. Step 6: Final answer
    x = 232,933.65

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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.