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Finding the Fourth Proportional to 165,880.71, 248,821.02 and 55,072.71

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Solution

The fourth proportional to 165,880.71, 248,821.02 and 55,072.71 is: 82,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,880.71 : 248,821.02 = 55,072.71 : x
  2. Step 2: Convert to fraction form
    165,880.71/248,821.02 = 55,072.71/x
  3. Step 3: Cross multiply
    165,880.71x = 248,821.02 × 55,072.71
  4. Step 4: Simplify right side
    165,880.71x = 13,703,247,876.36
  5. Step 5: Solve for x
    x = 13,703,247,876.36/165,880.71
  6. Step 6: Final answer
    x = 82,609.05

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1.5x scale

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.