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Finding the Fourth Proportional to 188,028.20, 282,042.30 and 174,906.20

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Solution

The fourth proportional to 188,028.20, 282,042.30 and 174,906.20 is: 262,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,028.20 : 282,042.30 = 174,906.20 : x
  2. Step 2: Convert to fraction form
    188,028.20/282,042.30 = 174,906.20/x
  3. Step 3: Cross multiply
    188,028.20x = 282,042.30 × 174,906.20
  4. Step 4: Simplify right side
    188,028.20x = 49,330,946,932.26
  5. Step 5: Solve for x
    x = 49,330,946,932.26/188,028.20
  6. Step 6: Final answer
    x = 262,359.30

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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.