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Finding the Fourth Proportional to 199,675.80, 299,076.30 and 173,431.80

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Solution

The fourth proportional to 199,675.80, 299,076.30 and 173,431.80 is: 259,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,675.80 : 299,076.30 = 173,431.80 : x
  2. Step 2: Convert to fraction form
    199,675.80/299,076.30 = 173,431.80/x
  3. Step 3: Cross multiply
    199,675.80x = 299,076.30 × 173,431.80
  4. Step 4: Simplify right side
    199,675.80x = 51,869,341,046.34
  5. Step 5: Solve for x
    x = 51,869,341,046.34/199,675.80
  6. Step 6: Final answer
    x = 259,767.79

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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.