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Finding the Fourth Proportional to 108,058.22, 161,976.48 and 41,480.42

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Solution

The fourth proportional to 108,058.22, 161,976.48 and 41,480.42 is: 62,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,058.22 : 161,976.48 = 41,480.42 : x
  2. Step 2: Convert to fraction form
    108,058.22/161,976.48 = 41,480.42/x
  3. Step 3: Cross multiply
    108,058.22x = 161,976.48 × 41,480.42
  4. Step 4: Simplify right side
    108,058.22x = 6,718,852,420.52
  5. Step 5: Solve for x
    x = 6,718,852,420.52/108,058.22
  6. Step 6: Final answer
    x = 62,178.08

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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.