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Finding the Fourth Proportional to 168,329.70, 252,494.22 and 98,159.80

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Solution

The fourth proportional to 168,329.70, 252,494.22 and 98,159.80 is: 147,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,329.70 : 252,494.22 = 98,159.80 : x
  2. Step 2: Convert to fraction form
    168,329.70/252,494.22 = 98,159.80/x
  3. Step 3: Cross multiply
    168,329.70x = 252,494.22 × 98,159.80
  4. Step 4: Simplify right side
    168,329.70x = 24,784,782,136.36
  5. Step 5: Solve for x
    x = 24,784,782,136.36/168,329.70
  6. Step 6: Final answer
    x = 147,239.51

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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.