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Finding the Fourth Proportional to 73,648.75, 101,638.61 and 43,435.35

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Solution

The fourth proportional to 73,648.75, 101,638.61 and 43,435.35 is: 59,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.75 : 101,638.61 = 43,435.35 : x
  2. Step 2: Convert to fraction form
    73,648.75/101,638.61 = 43,435.35/x
  3. Step 3: Cross multiply
    73,648.75x = 101,638.61 × 43,435.35
  4. Step 4: Simplify right side
    73,648.75x = 4,414,707,873.49
  5. Step 5: Solve for x
    x = 4,414,707,873.49/73,648.75
  6. Step 6: Final answer
    x = 59,942.74

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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.