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Finding the Fourth Proportional to 230,523.44, 318,112.50 and 170,072.32

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Solution

The fourth proportional to 230,523.44, 318,112.50 and 170,072.32 is: 234,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,523.44 : 318,112.50 = 170,072.32 : x
  2. Step 2: Convert to fraction form
    230,523.44/318,112.50 = 170,072.32/x
  3. Step 3: Cross multiply
    230,523.44x = 318,112.50 × 170,072.32
  4. Step 4: Simplify right side
    230,523.44x = 54,102,130,896
  5. Step 5: Solve for x
    x = 54,102,130,896/230,523.44
  6. Step 6: Final answer
    x = 234,692.54

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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.