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Finding the Fourth Proportional to 79,604.19, 109,852.92 and 43,794.23

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Solution

The fourth proportional to 79,604.19, 109,852.92 and 43,794.23 is: 60,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,604.19 : 109,852.92 = 43,794.23 : x
  2. Step 2: Convert to fraction form
    79,604.19/109,852.92 = 43,794.23/x
  3. Step 3: Cross multiply
    79,604.19x = 109,852.92 × 43,794.23
  4. Step 4: Simplify right side
    79,604.19x = 4,810,923,495.39
  5. Step 5: Solve for x
    x = 4,810,923,495.39/79,604.19
  6. Step 6: Final answer
    x = 60,435.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.