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Finding the Fourth Proportional to 144,489.56, 216,796.35 and 55,805.34

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Solution

The fourth proportional to 144,489.56, 216,796.35 and 55,805.34 is: 83,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,489.56 : 216,796.35 = 55,805.34 : x
  2. Step 2: Convert to fraction form
    144,489.56/216,796.35 = 55,805.34/x
  3. Step 3: Cross multiply
    144,489.56x = 216,796.35 × 55,805.34
  4. Step 4: Simplify right side
    144,489.56x = 12,098,394,022.51
  5. Step 5: Solve for x
    x = 12,098,394,022.51/144,489.56
  6. Step 6: Final answer
    x = 83,731.96

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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.