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Finding the Fourth Proportional to 108,668.49, 163,001.82 and 33,788.49

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Solution

The fourth proportional to 108,668.49, 163,001.82 and 33,788.49 is: 50,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,668.49 : 163,001.82 = 33,788.49 : x
  2. Step 2: Convert to fraction form
    108,668.49/163,001.82 = 33,788.49/x
  3. Step 3: Cross multiply
    108,668.49x = 163,001.82 × 33,788.49
  4. Step 4: Simplify right side
    108,668.49x = 5,507,585,365.05
  5. Step 5: Solve for x
    x = 5,507,585,365.05/108,668.49
  6. Step 6: Final answer
    x = 50,682.45

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1.5x scale

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.