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Finding the Fourth Proportional to 220,114.40, 330,171.60 and 53,902.40

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Solution

The fourth proportional to 220,114.40, 330,171.60 and 53,902.40 is: 80,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,114.40 : 330,171.60 = 53,902.40 : x
  2. Step 2: Convert to fraction form
    220,114.40/330,171.60 = 53,902.40/x
  3. Step 3: Cross multiply
    220,114.40x = 330,171.60 × 53,902.40
  4. Step 4: Simplify right side
    220,114.40x = 17,797,041,651.84
  5. Step 5: Solve for x
    x = 17,797,041,651.84/220,114.40
  6. Step 6: Final answer
    x = 80,853.60

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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.