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Finding the Fourth Proportional to 110,064.70, 165,097.05 and 100,223.20

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Solution

The fourth proportional to 110,064.70, 165,097.05 and 100,223.20 is: 150,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,064.70 : 165,097.05 = 100,223.20 : x
  2. Step 2: Convert to fraction form
    110,064.70/165,097.05 = 100,223.20/x
  3. Step 3: Cross multiply
    110,064.70x = 165,097.05 × 100,223.20
  4. Step 4: Simplify right side
    110,064.70x = 16,546,554,661.56
  5. Step 5: Solve for x
    x = 16,546,554,661.56/110,064.70
  6. Step 6: Final answer
    x = 150,334.80

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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.