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Finding the Fourth Proportional to 101,301.84, 139,796.64 and 58,863.24

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Solution

The fourth proportional to 101,301.84, 139,796.64 and 58,863.24 is: 81,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,301.84 : 139,796.64 = 58,863.24 : x
  2. Step 2: Convert to fraction form
    101,301.84/139,796.64 = 58,863.24/x
  3. Step 3: Cross multiply
    101,301.84x = 139,796.64 × 58,863.24
  4. Step 4: Simplify right side
    101,301.84x = 8,228,883,171.51
  5. Step 5: Solve for x
    x = 8,228,883,171.51/101,301.84
  6. Step 6: Final answer
    x = 81,231.33

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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.