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Finding the Fourth Proportional to 167,245.89, 230,801.02 and 90,765.66

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Solution

The fourth proportional to 167,245.89, 230,801.02 and 90,765.66 is: 125,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,245.89 : 230,801.02 = 90,765.66 : x
  2. Step 2: Convert to fraction form
    167,245.89/230,801.02 = 90,765.66/x
  3. Step 3: Cross multiply
    167,245.89x = 230,801.02 × 90,765.66
  4. Step 4: Simplify right side
    167,245.89x = 20,948,807,802.84
  5. Step 5: Solve for x
    x = 20,948,807,802.84/167,245.89
  6. Step 6: Final answer
    x = 125,257.53

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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.