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Finding the Fourth Proportional to 74,162.54, 102,326.57 and 43,942.64

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Solution

The fourth proportional to 74,162.54, 102,326.57 and 43,942.64 is: 60,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,162.54 : 102,326.57 = 43,942.64 : x
  2. Step 2: Convert to fraction form
    74,162.54/102,326.57 = 43,942.64/x
  3. Step 3: Cross multiply
    74,162.54x = 102,326.57 × 43,942.64
  4. Step 4: Simplify right side
    74,162.54x = 4,496,498,896.60
  5. Step 5: Solve for x
    x = 4,496,498,896.60/74,162.54
  6. Step 6: Final answer
    x = 60,630.33

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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.