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Finding the Fourth Proportional to 164,507.84, 227,016.64 and 91,911.29

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Solution

The fourth proportional to 164,507.84, 227,016.64 and 91,911.29 is: 126,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,507.84 : 227,016.64 = 91,911.29 : x
  2. Step 2: Convert to fraction form
    164,507.84/227,016.64 = 91,911.29/x
  3. Step 3: Cross multiply
    164,507.84x = 227,016.64 × 91,911.29
  4. Step 4: Simplify right side
    164,507.84x = 20,865,392,233.87
  5. Step 5: Solve for x
    x = 20,865,392,233.87/164,507.84
  6. Step 6: Final answer
    x = 126,835.25

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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.