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Finding the Fourth Proportional to 110,305.89, 165,513.51 and 43,744.55

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Solution

The fourth proportional to 110,305.89, 165,513.51 and 43,744.55 is: 65,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,305.89 : 165,513.51 = 43,744.55 : x
  2. Step 2: Convert to fraction form
    110,305.89/165,513.51 = 43,744.55/x
  3. Step 3: Cross multiply
    110,305.89x = 165,513.51 × 43,744.55
  4. Step 4: Simplify right side
    110,305.89x = 7,240,313,186.30
  5. Step 5: Solve for x
    x = 7,240,313,186.30/110,305.89
  6. Step 6: Final answer
    x = 65,638.50

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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.