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Finding the Fourth Proportional to 110,276.80, 165,415.20 and 108,527.20

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Solution

The fourth proportional to 110,276.80, 165,415.20 and 108,527.20 is: 162,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,276.80 : 165,415.20 = 108,527.20 : x
  2. Step 2: Convert to fraction form
    110,276.80/165,415.20 = 108,527.20/x
  3. Step 3: Cross multiply
    110,276.80x = 165,415.20 × 108,527.20
  4. Step 4: Simplify right side
    110,276.80x = 17,952,048,493.44
  5. Step 5: Solve for x
    x = 17,952,048,493.44/110,276.80
  6. Step 6: Final answer
    x = 162,790.80

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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.