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Finding the Fourth Proportional to 163,645.01, 225,828.69 and 92,023.51

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Solution

The fourth proportional to 163,645.01, 225,828.69 and 92,023.51 is: 126,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,645.01 : 225,828.69 = 92,023.51 : x
  2. Step 2: Convert to fraction form
    163,645.01/225,828.69 = 92,023.51/x
  3. Step 3: Cross multiply
    163,645.01x = 225,828.69 × 92,023.51
  4. Step 4: Simplify right side
    163,645.01x = 20,781,548,712.50
  5. Step 5: Solve for x
    x = 20,781,548,712.50/163,645.01
  6. Step 6: Final answer
    x = 126,991.64

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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.