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Finding the Fourth Proportional to 110,754.50, 165,860.31 and 100,104.26

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Solution

The fourth proportional to 110,754.50, 165,860.31 and 100,104.26 is: 149,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,754.50 : 165,860.31 = 100,104.26 : x
  2. Step 2: Convert to fraction form
    110,754.50/165,860.31 = 100,104.26/x
  3. Step 3: Cross multiply
    110,754.50x = 165,860.31 × 100,104.26
  4. Step 4: Simplify right side
    110,754.50x = 16,603,323,595.92
  5. Step 5: Solve for x
    x = 16,603,323,595.92/110,754.50
  6. Step 6: Final answer
    x = 149,911.05

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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.