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Finding the Fourth Proportional to 188,643.56, 283,001.82 and 63,993.32

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Solution

The fourth proportional to 188,643.56, 283,001.82 and 63,993.32 is: 96,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,643.56 : 283,001.82 = 63,993.32 : x
  2. Step 2: Convert to fraction form
    188,643.56/283,001.82 = 63,993.32/x
  3. Step 3: Cross multiply
    188,643.56x = 283,001.82 × 63,993.32
  4. Step 4: Simplify right side
    188,643.56x = 18,110,226,027.84
  5. Step 5: Solve for x
    x = 18,110,226,027.84/188,643.56
  6. Step 6: Final answer
    x = 96,002.36

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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.