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Finding the Fourth Proportional to 164,076.80, 246,115.20 and 140,457.20

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Solution

The fourth proportional to 164,076.80, 246,115.20 and 140,457.20 is: 210,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,076.80 : 246,115.20 = 140,457.20 : x
  2. Step 2: Convert to fraction form
    164,076.80/246,115.20 = 140,457.20/x
  3. Step 3: Cross multiply
    164,076.80x = 246,115.20 × 140,457.20
  4. Step 4: Simplify right side
    164,076.80x = 34,568,651,869.44
  5. Step 5: Solve for x
    x = 34,568,651,869.44/164,076.80
  6. Step 6: Final answer
    x = 210,685.80

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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.