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Finding the Fourth Proportional to 188,672.58, 283,009.14 and 55,554.39

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Solution

The fourth proportional to 188,672.58, 283,009.14 and 55,554.39 is: 83,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,672.58 : 283,009.14 = 55,554.39 : x
  2. Step 2: Convert to fraction form
    188,672.58/283,009.14 = 55,554.39/x
  3. Step 3: Cross multiply
    188,672.58x = 283,009.14 × 55,554.39
  4. Step 4: Simplify right side
    188,672.58x = 15,722,400,137.12
  5. Step 5: Solve for x
    x = 15,722,400,137.12/188,672.58
  6. Step 6: Final answer
    x = 83,331.66

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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.