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Finding the Fourth Proportional to 163,630.98, 225,806.26 and 92,009.16

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Solution

The fourth proportional to 163,630.98, 225,806.26 and 92,009.16 is: 126,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,630.98 : 225,806.26 = 92,009.16 : x
  2. Step 2: Convert to fraction form
    163,630.98/225,806.26 = 92,009.16/x
  3. Step 3: Cross multiply
    163,630.98x = 225,806.26 × 92,009.16
  4. Step 4: Simplify right side
    163,630.98x = 20,776,244,305.34
  5. Step 5: Solve for x
    x = 20,776,244,305.34/163,630.98
  6. Step 6: Final answer
    x = 126,970.11

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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.