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Finding the Fourth Proportional to 164,017.80, 226,343.52 and 92,420.87

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Solution

The fourth proportional to 164,017.80, 226,343.52 and 92,420.87 is: 127,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,017.80 : 226,343.52 = 92,420.87 : x
  2. Step 2: Convert to fraction form
    164,017.80/226,343.52 = 92,420.87/x
  3. Step 3: Cross multiply
    164,017.80x = 226,343.52 × 92,420.87
  4. Step 4: Simplify right side
    164,017.80x = 20,918,863,905.54
  5. Step 5: Solve for x
    x = 20,918,863,905.54/164,017.80
  6. Step 6: Final answer
    x = 127,540.21

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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.