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Finding the Fourth Proportional to 188,668.34, 283,004.48 and 55,551.12

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Solution

The fourth proportional to 188,668.34, 283,004.48 and 55,551.12 is: 83,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,668.34 : 283,004.48 = 55,551.12 : x
  2. Step 2: Convert to fraction form
    188,668.34/283,004.48 = 55,551.12/x
  3. Step 3: Cross multiply
    188,668.34x = 283,004.48 × 55,551.12
  4. Step 4: Simplify right side
    188,668.34x = 15,721,214,414.00
  5. Step 5: Solve for x
    x = 15,721,214,414.00/188,668.34
  6. Step 6: Final answer
    x = 83,327.25

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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.