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Finding the Fourth Proportional to 167,457.20, 251,185.80 and 144,906.80

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Solution

The fourth proportional to 167,457.20, 251,185.80 and 144,906.80 is: 217,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,457.20 : 251,185.80 = 144,906.80 : x
  2. Step 2: Convert to fraction form
    167,457.20/251,185.80 = 144,906.80/x
  3. Step 3: Cross multiply
    167,457.20x = 251,185.80 × 144,906.80
  4. Step 4: Simplify right side
    167,457.20x = 36,398,530,483.44
  5. Step 5: Solve for x
    x = 36,398,530,483.44/167,457.20
  6. Step 6: Final answer
    x = 217,360.20

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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.