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Finding the Fourth Proportional to 92,051.94, 138,016.41 and 74,304.44

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Solution

The fourth proportional to 92,051.94, 138,016.41 and 74,304.44 is: 111,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,051.94 : 138,016.41 = 74,304.44 : x
  2. Step 2: Convert to fraction form
    92,051.94/138,016.41 = 74,304.44/x
  3. Step 3: Cross multiply
    92,051.94x = 138,016.41 × 74,304.44
  4. Step 4: Simplify right side
    92,051.94x = 10,255,231,604.70
  5. Step 5: Solve for x
    x = 10,255,231,604.70/92,051.94
  6. Step 6: Final answer
    x = 111,407.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.