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Finding the Fourth Proportional to 167,568.40, 251,644.20 and 162,319.60

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Solution

The fourth proportional to 167,568.40, 251,644.20 and 162,319.60 is: 243,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,568.40 : 251,644.20 = 162,319.60 : x
  2. Step 2: Convert to fraction form
    167,568.40/251,644.20 = 162,319.60/x
  3. Step 3: Cross multiply
    167,568.40x = 251,644.20 × 162,319.60
  4. Step 4: Simplify right side
    167,568.40x = 40,846,785,886.32
  5. Step 5: Solve for x
    x = 40,846,785,886.32/167,568.40
  6. Step 6: Final answer
    x = 243,761.87

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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.