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Finding the Fourth Proportional to 188,825.70, 283,238.55 and 70,506.27

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Solution

The fourth proportional to 188,825.70, 283,238.55 and 70,506.27 is: 105,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,825.70 : 283,238.55 = 70,506.27 : x
  2. Step 2: Convert to fraction form
    188,825.70/283,238.55 = 70,506.27/x
  3. Step 3: Cross multiply
    188,825.70x = 283,238.55 × 70,506.27
  4. Step 4: Simplify right side
    188,825.70x = 19,970,093,680.71
  5. Step 5: Solve for x
    x = 19,970,093,680.71/188,825.70
  6. Step 6: Final answer
    x = 105,759.41

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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.