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Finding the Fourth Proportional to 188,116.02, 281,992.59 and 63,388.98

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Solution

The fourth proportional to 188,116.02, 281,992.59 and 63,388.98 is: 95,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,116.02 : 281,992.59 = 63,388.98 : x
  2. Step 2: Convert to fraction form
    188,116.02/281,992.59 = 63,388.98/x
  3. Step 3: Cross multiply
    188,116.02x = 281,992.59 × 63,388.98
  4. Step 4: Simplify right side
    188,116.02x = 17,875,222,647.66
  5. Step 5: Solve for x
    x = 17,875,222,647.66/188,116.02
  6. Step 6: Final answer
    x = 95,022.33

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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.