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Finding the Fourth Proportional to 188,101.96, 259,583.88 and 103,226.92

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Solution

The fourth proportional to 188,101.96, 259,583.88 and 103,226.92 is: 142,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,101.96 : 259,583.88 = 103,226.92 : x
  2. Step 2: Convert to fraction form
    188,101.96/259,583.88 = 103,226.92/x
  3. Step 3: Cross multiply
    188,101.96x = 259,583.88 × 103,226.92
  4. Step 4: Simplify right side
    188,101.96x = 26,796,044,414.05
  5. Step 5: Solve for x
    x = 26,796,044,414.05/188,101.96
  6. Step 6: Final answer
    x = 142,454.89

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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.