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Finding the Fourth Proportional to 149,858.60, 224,131.80 and 114,429.20

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Solution

The fourth proportional to 149,858.60, 224,131.80 and 114,429.20 is: 171,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,858.60 : 224,131.80 = 114,429.20 : x
  2. Step 2: Convert to fraction form
    149,858.60/224,131.80 = 114,429.20/x
  3. Step 3: Cross multiply
    149,858.60x = 224,131.80 × 114,429.20
  4. Step 4: Simplify right side
    149,858.60x = 25,647,222,568.56
  5. Step 5: Solve for x
    x = 25,647,222,568.56/149,858.60
  6. Step 6: Final answer
    x = 171,142.81

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1.5x scale

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.