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Finding the Fourth Proportional to 188,550.75, 260,201.25 and 103,670.85

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Solution

The fourth proportional to 188,550.75, 260,201.25 and 103,670.85 is: 143,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550.75 : 260,201.25 = 103,670.85 : x
  2. Step 2: Convert to fraction form
    188,550.75/260,201.25 = 103,670.85/x
  3. Step 3: Cross multiply
    188,550.75x = 260,201.25 × 103,670.85
  4. Step 4: Simplify right side
    188,550.75x = 26,975,284,758.56
  5. Step 5: Solve for x
    x = 26,975,284,758.56/188,550.75
  6. Step 6: Final answer
    x = 143,066.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.