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Finding the Fourth Proportional to 110,630.70, 165,744.45 and 63,744.30

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Solution

The fourth proportional to 110,630.70, 165,744.45 and 63,744.30 is: 95,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,630.70 : 165,744.45 = 63,744.30 : x
  2. Step 2: Convert to fraction form
    110,630.70/165,744.45 = 63,744.30/x
  3. Step 3: Cross multiply
    110,630.70x = 165,744.45 × 63,744.30
  4. Step 4: Simplify right side
    110,630.70x = 10,565,263,944.14
  5. Step 5: Solve for x
    x = 10,565,263,944.14/110,630.70
  6. Step 6: Final answer
    x = 95,500.29

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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.