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Finding the Fourth Proportional to 168,741.60, 253,150.80 and 98,584.80

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Solution

The fourth proportional to 168,741.60, 253,150.80 and 98,584.80 is: 147,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,741.60 : 253,150.80 = 98,584.80 : x
  2. Step 2: Convert to fraction form
    168,741.60/253,150.80 = 98,584.80/x
  3. Step 3: Cross multiply
    168,741.60x = 253,150.80 × 98,584.80
  4. Step 4: Simplify right side
    168,741.60x = 24,956,820,987.84
  5. Step 5: Solve for x
    x = 24,956,820,987.84/168,741.60
  6. Step 6: Final answer
    x = 147,899.63

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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.