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Finding the Fourth Proportional to 108,608.13, 149,873.03 and 63,293.49

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Solution

The fourth proportional to 108,608.13, 149,873.03 and 63,293.49 is: 87,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.13 : 149,873.03 = 63,293.49 : x
  2. Step 2: Convert to fraction form
    108,608.13/149,873.03 = 63,293.49/x
  3. Step 3: Cross multiply
    108,608.13x = 149,873.03 × 63,293.49
  4. Step 4: Simplify right side
    108,608.13x = 9,485,986,809.11
  5. Step 5: Solve for x
    x = 9,485,986,809.11/108,608.13
  6. Step 6: Final answer
    x = 87,341.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.