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Finding the Fourth Proportional to 188,771.63, 283,288.59 and 122,046.26

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Solution

The fourth proportional to 188,771.63, 283,288.59 and 122,046.26 is: 183,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,771.63 : 283,288.59 = 122,046.26 : x
  2. Step 2: Convert to fraction form
    188,771.63/283,288.59 = 122,046.26/x
  3. Step 3: Cross multiply
    188,771.63x = 283,288.59 × 122,046.26
  4. Step 4: Simplify right side
    188,771.63x = 34,574,311,493.73
  5. Step 5: Solve for x
    x = 34,574,311,493.73/188,771.63
  6. Step 6: Final answer
    x = 183,154.18

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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.