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Finding the Fourth Proportional to 253,371.79, 380,116.81 and 73,460.97

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Solution

The fourth proportional to 253,371.79, 380,116.81 and 73,460.97 is: 110,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,371.79 : 380,116.81 = 73,460.97 : x
  2. Step 2: Convert to fraction form
    253,371.79/380,116.81 = 73,460.97/x
  3. Step 3: Cross multiply
    253,371.79x = 380,116.81 × 73,460.97
  4. Step 4: Simplify right side
    253,371.79x = 27,923,749,575.91
  5. Step 5: Solve for x
    x = 27,923,749,575.91/253,371.79
  6. Step 6: Final answer
    x = 110,208.60

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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.