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Finding the Fourth Proportional to 117,104.59, 175,638.66 and 38,201.28

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Solution

The fourth proportional to 117,104.59, 175,638.66 and 38,201.28 is: 57,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,104.59 : 175,638.66 = 38,201.28 : x
  2. Step 2: Convert to fraction form
    117,104.59/175,638.66 = 38,201.28/x
  3. Step 3: Cross multiply
    117,104.59x = 175,638.66 × 38,201.28
  4. Step 4: Simplify right side
    117,104.59x = 6,709,621,629.48
  5. Step 5: Solve for x
    x = 6,709,621,629.48/117,104.59
  6. Step 6: Final answer
    x = 57,295.97

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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.