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Finding the Fourth Proportional to 200,728.80, 301,093.20 and 168,069.60

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Solution

The fourth proportional to 200,728.80, 301,093.20 and 168,069.60 is: 252,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,728.80 : 301,093.20 = 168,069.60 : x
  2. Step 2: Convert to fraction form
    200,728.80/301,093.20 = 168,069.60/x
  3. Step 3: Cross multiply
    200,728.80x = 301,093.20 × 168,069.60
  4. Step 4: Simplify right side
    200,728.80x = 50,604,613,686.72
  5. Step 5: Solve for x
    x = 50,604,613,686.72/200,728.80
  6. Step 6: Final answer
    x = 252,104.40

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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.