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Finding the Fourth Proportional to 110,072.98, 165,107.70 and 43,513.73

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Solution

The fourth proportional to 110,072.98, 165,107.70 and 43,513.73 is: 65,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,072.98 : 165,107.70 = 43,513.73 : x
  2. Step 2: Convert to fraction form
    110,072.98/165,107.70 = 43,513.73/x
  3. Step 3: Cross multiply
    110,072.98x = 165,107.70 × 43,513.73
  4. Step 4: Simplify right side
    110,072.98x = 7,184,451,672.34
  5. Step 5: Solve for x
    x = 7,184,451,672.34/110,072.98
  6. Step 6: Final answer
    x = 65,269.89

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1.5x scale

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.