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Finding the Fourth Proportional to 168,327.94, 252,491.60 and 98,158.04

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Solution

The fourth proportional to 168,327.94, 252,491.60 and 98,158.04 is: 147,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,327.94 : 252,491.60 = 98,158.04 : x
  2. Step 2: Convert to fraction form
    168,327.94/252,491.60 = 98,158.04/x
  3. Step 3: Cross multiply
    168,327.94x = 252,491.60 × 98,158.04
  4. Step 4: Simplify right side
    168,327.94x = 24,784,081,449.09
  5. Step 5: Solve for x
    x = 24,784,081,449.09/168,327.94
  6. Step 6: Final answer
    x = 147,236.89

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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.