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Finding the Fourth Proportional to 175,998.20, 263,478.90 and 165,745.40

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Solution

The fourth proportional to 175,998.20, 263,478.90 and 165,745.40 is: 248,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,998.20 : 263,478.90 = 165,745.40 : x
  2. Step 2: Convert to fraction form
    175,998.20/263,478.90 = 165,745.40/x
  3. Step 3: Cross multiply
    175,998.20x = 263,478.90 × 165,745.40
  4. Step 4: Simplify right side
    175,998.20x = 43,670,415,672.06
  5. Step 5: Solve for x
    x = 43,670,415,672.06/175,998.20
  6. Step 6: Final answer
    x = 248,129.90

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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.