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Finding the Fourth Proportional to 76,995.69, 115,698.56 and 41,484.27

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Solution

The fourth proportional to 76,995.69, 115,698.56 and 41,484.27 is: 62,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,995.69 : 115,698.56 = 41,484.27 : x
  2. Step 2: Convert to fraction form
    76,995.69/115,698.56 = 41,484.27/x
  3. Step 3: Cross multiply
    76,995.69x = 115,698.56 × 41,484.27
  4. Step 4: Simplify right side
    76,995.69x = 4,799,670,094.23
  5. Step 5: Solve for x
    x = 4,799,670,094.23/76,995.69
  6. Step 6: Final answer
    x = 62,336.87

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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.