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Finding the Fourth Proportional to 58,302.28, 87,453.42 and 55,469.44

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Solution

The fourth proportional to 58,302.28, 87,453.42 and 55,469.44 is: 83,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,302.28 : 87,453.42 = 55,469.44 : x
  2. Step 2: Convert to fraction form
    58,302.28/87,453.42 = 55,469.44/x
  3. Step 3: Cross multiply
    58,302.28x = 87,453.42 × 55,469.44
  4. Step 4: Simplify right side
    58,302.28x = 4,850,992,233.48
  5. Step 5: Solve for x
    x = 4,850,992,233.48/58,302.28
  6. Step 6: Final answer
    x = 83,204.16

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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.