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Finding the Fourth Proportional to 73,164.32, 100,960.80 and 41,336

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Solution

The fourth proportional to 73,164.32, 100,960.80 and 41,336 is: 57,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,164.32 : 100,960.80 = 41,336 : x
  2. Step 2: Convert to fraction form
    73,164.32/100,960.80 = 41,336/x
  3. Step 3: Cross multiply
    73,164.32x = 100,960.80 × 41,336
  4. Step 4: Simplify right side
    73,164.32x = 4,173,315,628.80
  5. Step 5: Solve for x
    x = 4,173,315,628.80/73,164.32
  6. Step 6: Final answer
    x = 57,040.31

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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.