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Finding the Fourth Proportional to 110,063.70, 165,095.55 and 100,222.20

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Solution

The fourth proportional to 110,063.70, 165,095.55 and 100,222.20 is: 150,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,063.70 : 165,095.55 = 100,222.20 : x
  2. Step 2: Convert to fraction form
    110,063.70/165,095.55 = 100,222.20/x
  3. Step 3: Cross multiply
    110,063.70x = 165,095.55 × 100,222.20
  4. Step 4: Simplify right side
    110,063.70x = 16,546,239,231.21
  5. Step 5: Solve for x
    x = 16,546,239,231.21/110,063.70
  6. Step 6: Final answer
    x = 150,333.30

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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.