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Finding the Fourth Proportional to 79,883, 110,203.97 and 45,883.69

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Solution

The fourth proportional to 79,883, 110,203.97 and 45,883.69 is: 63,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,883 : 110,203.97 = 45,883.69 : x
  2. Step 2: Convert to fraction form
    79,883/110,203.97 = 45,883.69/x
  3. Step 3: Cross multiply
    79,883x = 110,203.97 × 45,883.69
  4. Step 4: Simplify right side
    79,883x = 5,056,564,796.25
  5. Step 5: Solve for x
    x = 5,056,564,796.25/79,883
  6. Step 6: Final answer
    x = 63,299.64

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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.