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Finding the Fourth Proportional to 166,806.54, 230,193.14 and 90,326.24

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Solution

The fourth proportional to 166,806.54, 230,193.14 and 90,326.24 is: 124,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,806.54 : 230,193.14 = 90,326.24 : x
  2. Step 2: Convert to fraction form
    166,806.54/230,193.14 = 90,326.24/x
  3. Step 3: Cross multiply
    166,806.54x = 230,193.14 × 90,326.24
  4. Step 4: Simplify right side
    166,806.54x = 20,792,479,659.03
  5. Step 5: Solve for x
    x = 20,792,479,659.03/166,806.54
  6. Step 6: Final answer
    x = 124,650.27

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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.