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Finding the Fourth Proportional to 230,244.50, 345,563.58 and 90,101.54

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Solution

The fourth proportional to 230,244.50, 345,563.58 and 90,101.54 is: 135,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,244.50 : 345,563.58 = 90,101.54 : x
  2. Step 2: Convert to fraction form
    230,244.50/345,563.58 = 90,101.54/x
  3. Step 3: Cross multiply
    230,244.50x = 345,563.58 × 90,101.54
  4. Step 4: Simplify right side
    230,244.50x = 31,135,810,725.91
  5. Step 5: Solve for x
    x = 31,135,810,725.91/230,244.50
  6. Step 6: Final answer
    x = 135,229.34

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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.