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Finding the Fourth Proportional to 114,053.60, 171,310.80 and 110,136.80

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Solution

The fourth proportional to 114,053.60, 171,310.80 and 110,136.80 is: 165,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,053.60 : 171,310.80 = 110,136.80 : x
  2. Step 2: Convert to fraction form
    114,053.60/171,310.80 = 110,136.80/x
  3. Step 3: Cross multiply
    114,053.60x = 171,310.80 × 110,136.80
  4. Step 4: Simplify right side
    114,053.60x = 18,867,623,317.44
  5. Step 5: Solve for x
    x = 18,867,623,317.44/114,053.60
  6. Step 6: Final answer
    x = 165,427.69

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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.