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Finding the Fourth Proportional to 110,511.70, 165,767.55 and 40,441.30

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Solution

The fourth proportional to 110,511.70, 165,767.55 and 40,441.30 is: 60,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.70 : 165,767.55 = 40,441.30 : x
  2. Step 2: Convert to fraction form
    110,511.70/165,767.55 = 40,441.30/x
  3. Step 3: Cross multiply
    110,511.70x = 165,767.55 × 40,441.30
  4. Step 4: Simplify right side
    110,511.70x = 6,703,855,219.82
  5. Step 5: Solve for x
    x = 6,703,855,219.82/110,511.70
  6. Step 6: Final answer
    x = 60,661.95

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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.