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Finding the Fourth Proportional to 77,806.69, 116,725.34 and 27,873.34

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Solution

The fourth proportional to 77,806.69, 116,725.34 and 27,873.34 is: 41,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,806.69 : 116,725.34 = 27,873.34 : x
  2. Step 2: Convert to fraction form
    77,806.69/116,725.34 = 27,873.34/x
  3. Step 3: Cross multiply
    77,806.69x = 116,725.34 × 27,873.34
  4. Step 4: Simplify right side
    77,806.69x = 3,253,525,088.44
  5. Step 5: Solve for x
    x = 3,253,525,088.44/77,806.69
  6. Step 6: Final answer
    x = 41,815.49

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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.