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Finding the Fourth Proportional to 79,336.65, 118,930.14 and 26,709.33

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Solution

The fourth proportional to 79,336.65, 118,930.14 and 26,709.33 is: 40,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,336.65 : 118,930.14 = 26,709.33 : x
  2. Step 2: Convert to fraction form
    79,336.65/118,930.14 = 26,709.33/x
  3. Step 3: Cross multiply
    79,336.65x = 118,930.14 × 26,709.33
  4. Step 4: Simplify right side
    79,336.65x = 3,176,544,356.21
  5. Step 5: Solve for x
    x = 3,176,544,356.21/79,336.65
  6. Step 6: Final answer
    x = 40,038.80

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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.