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Finding the Fourth Proportional to 117,224.54, 161,769.62 and 63,511

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Solution

The fourth proportional to 117,224.54, 161,769.62 and 63,511 is: 87,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.54 : 161,769.62 = 63,511 : x
  2. Step 2: Convert to fraction form
    117,224.54/161,769.62 = 63,511/x
  3. Step 3: Cross multiply
    117,224.54x = 161,769.62 × 63,511
  4. Step 4: Simplify right side
    117,224.54x = 10,274,150,335.82
  5. Step 5: Solve for x
    x = 10,274,150,335.82/117,224.54
  6. Step 6: Final answer
    x = 87,645.05

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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.