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Finding the Fourth Proportional to 230,299.56, 345,549.82 and 80,647.26

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Solution

The fourth proportional to 230,299.56, 345,549.82 and 80,647.26 is: 121,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,299.56 : 345,549.82 = 80,647.26 : x
  2. Step 2: Convert to fraction form
    230,299.56/345,549.82 = 80,647.26/x
  3. Step 3: Cross multiply
    230,299.56x = 345,549.82 × 80,647.26
  4. Step 4: Simplify right side
    230,299.56x = 27,867,646,176.49
  5. Step 5: Solve for x
    x = 27,867,646,176.49/230,299.56
  6. Step 6: Final answer
    x = 121,006.08

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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.