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Finding the Fourth Proportional to 163,654.44, 225,816.80 and 92,030.20

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Solution

The fourth proportional to 163,654.44, 225,816.80 and 92,030.20 is: 126,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,654.44 : 225,816.80 = 92,030.20 : x
  2. Step 2: Convert to fraction form
    163,654.44/225,816.80 = 92,030.20/x
  3. Step 3: Cross multiply
    163,654.44x = 225,816.80 × 92,030.20
  4. Step 4: Simplify right side
    163,654.44x = 20,781,965,267.36
  5. Step 5: Solve for x
    x = 20,781,965,267.36/163,654.44
  6. Step 6: Final answer
    x = 126,986.87

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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.