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Finding the Fourth Proportional to 167,228.55, 230,770.62 and 90,744.30

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Solution

The fourth proportional to 167,228.55, 230,770.62 and 90,744.30 is: 125,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,228.55 : 230,770.62 = 90,744.30 : x
  2. Step 2: Convert to fraction form
    167,228.55/230,770.62 = 90,744.30/x
  3. Step 3: Cross multiply
    167,228.55x = 230,770.62 × 90,744.30
  4. Step 4: Simplify right side
    167,228.55x = 20,941,118,372.47
  5. Step 5: Solve for x
    x = 20,941,118,372.47/167,228.55
  6. Step 6: Final answer
    x = 125,224.54

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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.