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Finding the Fourth Proportional to 106,806.69, 160,208.28 and 43,612.92

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Solution

The fourth proportional to 106,806.69, 160,208.28 and 43,612.92 is: 65,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,806.69 : 160,208.28 = 43,612.92 : x
  2. Step 2: Convert to fraction form
    106,806.69/160,208.28 = 43,612.92/x
  3. Step 3: Cross multiply
    106,806.69x = 160,208.28 × 43,612.92
  4. Step 4: Simplify right side
    106,806.69x = 6,987,150,898.98
  5. Step 5: Solve for x
    x = 6,987,150,898.98/106,806.69
  6. Step 6: Final answer
    x = 65,418.66

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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.