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Finding the Fourth Proportional to 167,414.40, 251,121.60 and 165,664.80

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Solution

The fourth proportional to 167,414.40, 251,121.60 and 165,664.80 is: 248,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,414.40 : 251,121.60 = 165,664.80 : x
  2. Step 2: Convert to fraction form
    167,414.40/251,121.60 = 165,664.80/x
  3. Step 3: Cross multiply
    167,414.40x = 251,121.60 × 165,664.80
  4. Step 4: Simplify right side
    167,414.40x = 41,602,009,639.68
  5. Step 5: Solve for x
    x = 41,602,009,639.68/167,414.40
  6. Step 6: Final answer
    x = 248,497.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.