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Finding the Fourth Proportional to 110,099.88, 165,149.82 and 90,564.84

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Solution

The fourth proportional to 110,099.88, 165,149.82 and 90,564.84 is: 135,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,099.88 : 165,149.82 = 90,564.84 : x
  2. Step 2: Convert to fraction form
    110,099.88/165,149.82 = 90,564.84/x
  3. Step 3: Cross multiply
    110,099.88x = 165,149.82 × 90,564.84
  4. Step 4: Simplify right side
    110,099.88x = 14,956,767,024.33
  5. Step 5: Solve for x
    x = 14,956,767,024.33/110,099.88
  6. Step 6: Final answer
    x = 135,847.26

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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.