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Finding the Fourth Proportional to 110,331.60, 165,416.40 and 43,738.80

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Solution

The fourth proportional to 110,331.60, 165,416.40 and 43,738.80 is: 65,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,331.60 : 165,416.40 = 43,738.80 : x
  2. Step 2: Convert to fraction form
    110,331.60/165,416.40 = 43,738.80/x
  3. Step 3: Cross multiply
    110,331.60x = 165,416.40 × 43,738.80
  4. Step 4: Simplify right side
    110,331.60x = 7,235,114,836.32
  5. Step 5: Solve for x
    x = 7,235,114,836.32/110,331.60
  6. Step 6: Final answer
    x = 65,576.09

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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.