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Finding the Fourth Proportional to 166,804.69, 230,190.60 and 90,324.39

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Solution

The fourth proportional to 166,804.69, 230,190.60 and 90,324.39 is: 124,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,804.69 : 230,190.60 = 90,324.39 : x
  2. Step 2: Convert to fraction form
    166,804.69/230,190.60 = 90,324.39/x
  3. Step 3: Cross multiply
    166,804.69x = 230,190.60 × 90,324.39
  4. Step 4: Simplify right side
    166,804.69x = 20,791,825,448.16
  5. Step 5: Solve for x
    x = 20,791,825,448.16/166,804.69
  6. Step 6: Final answer
    x = 124,647.73

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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.