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Finding the Fourth Proportional to 165,581.92, 248,375.20 and 47,253.27

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Solution

The fourth proportional to 165,581.92, 248,375.20 and 47,253.27 is: 70,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,581.92 : 248,375.20 = 47,253.27 : x
  2. Step 2: Convert to fraction form
    165,581.92/248,375.20 = 47,253.27/x
  3. Step 3: Cross multiply
    165,581.92x = 248,375.20 × 47,253.27
  4. Step 4: Simplify right side
    165,581.92x = 11,736,540,386.90
  5. Step 5: Solve for x
    x = 11,736,540,386.90/165,581.92
  6. Step 6: Final answer
    x = 70,880.57

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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.