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Finding the Fourth Proportional to 188,608.14, 260,281.07 and 102,568.97

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Solution

The fourth proportional to 188,608.14, 260,281.07 and 102,568.97 is: 141,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,608.14 : 260,281.07 = 102,568.97 : x
  2. Step 2: Convert to fraction form
    188,608.14/260,281.07 = 102,568.97/x
  3. Step 3: Cross multiply
    188,608.14x = 260,281.07 × 102,568.97
  4. Step 4: Simplify right side
    188,608.14x = 26,696,761,261.78
  5. Step 5: Solve for x
    x = 26,696,761,261.78/188,608.14
  6. Step 6: Final answer
    x = 141,546.18

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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.