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Finding the Fourth Proportional to 106,806.59, 160,218.99 and 27,920.69

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Solution

The fourth proportional to 106,806.59, 160,218.99 and 27,920.69 is: 41,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,806.59 : 160,218.99 = 27,920.69 : x
  2. Step 2: Convert to fraction form
    106,806.59/160,218.99 = 27,920.69/x
  3. Step 3: Cross multiply
    106,806.59x = 160,218.99 × 27,920.69
  4. Step 4: Simplify right side
    106,806.59x = 4,473,424,751.90
  5. Step 5: Solve for x
    x = 4,473,424,751.90/106,806.59
  6. Step 6: Final answer
    x = 41,883.42

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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.