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Finding the Fourth Proportional to 110,131.65, 165,218.15 and 35,231.68

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Solution

The fourth proportional to 110,131.65, 165,218.15 and 35,231.68 is: 52,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,131.65 : 165,218.15 = 35,231.68 : x
  2. Step 2: Convert to fraction form
    110,131.65/165,218.15 = 35,231.68/x
  3. Step 3: Cross multiply
    110,131.65x = 165,218.15 × 35,231.68
  4. Step 4: Simplify right side
    110,131.65x = 5,820,912,990.99
  5. Step 5: Solve for x
    x = 5,820,912,990.99/110,131.65
  6. Step 6: Final answer
    x = 52,854.13

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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.