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Finding the Fourth Proportional to 220,107.60, 330,161.40 and 53,895.60

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Solution

The fourth proportional to 220,107.60, 330,161.40 and 53,895.60 is: 80,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,107.60 : 330,161.40 = 53,895.60 : x
  2. Step 2: Convert to fraction form
    220,107.60/330,161.40 = 53,895.60/x
  3. Step 3: Cross multiply
    220,107.60x = 330,161.40 × 53,895.60
  4. Step 4: Simplify right side
    220,107.60x = 17,794,246,749.84
  5. Step 5: Solve for x
    x = 17,794,246,749.84/220,107.60
  6. Step 6: Final answer
    x = 80,843.40

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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.