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Finding the Fourth Proportional to 114,375.60, 171,174.60 and 100,378.80

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Solution

The fourth proportional to 114,375.60, 171,174.60 and 100,378.80 is: 150,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,375.60 : 171,174.60 = 100,378.80 : x
  2. Step 2: Convert to fraction form
    114,375.60/171,174.60 = 100,378.80/x
  3. Step 3: Cross multiply
    114,375.60x = 171,174.60 × 100,378.80
  4. Step 4: Simplify right side
    114,375.60x = 17,182,300,938.48
  5. Step 5: Solve for x
    x = 17,182,300,938.48/114,375.60
  6. Step 6: Final answer
    x = 150,226.98

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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.