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Finding the Fourth Proportional to 230,089.57, 345,157.92 and 88,054.31

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Solution

The fourth proportional to 230,089.57, 345,157.92 and 88,054.31 is: 132,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,089.57 : 345,157.92 = 88,054.31 : x
  2. Step 2: Convert to fraction form
    230,089.57/345,157.92 = 88,054.31/x
  3. Step 3: Cross multiply
    230,089.57x = 345,157.92 × 88,054.31
  4. Step 4: Simplify right side
    230,089.57x = 30,392,640,760.85
  5. Step 5: Solve for x
    x = 30,392,640,760.85/230,089.57
  6. Step 6: Final answer
    x = 132,090.48

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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.