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Finding the Fourth Proportional to 188,085.77, 281,947.21 and 63,358.73

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Solution

The fourth proportional to 188,085.77, 281,947.21 and 63,358.73 is: 94,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,085.77 : 281,947.21 = 63,358.73 : x
  2. Step 2: Convert to fraction form
    188,085.77/281,947.21 = 63,358.73/x
  3. Step 3: Cross multiply
    188,085.77x = 281,947.21 × 63,358.73
  4. Step 4: Simplify right side
    188,085.77x = 17,863,817,152.64
  5. Step 5: Solve for x
    x = 17,863,817,152.64/188,085.77
  6. Step 6: Final answer
    x = 94,976.97

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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.