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Finding the Fourth Proportional to 80,341.71, 110,858.54 and 50,122.23

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Solution

The fourth proportional to 80,341.71, 110,858.54 and 50,122.23 is: 69,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,341.71 : 110,858.54 = 50,122.23 : x
  2. Step 2: Convert to fraction form
    80,341.71/110,858.54 = 50,122.23/x
  3. Step 3: Cross multiply
    80,341.71x = 110,858.54 × 50,122.23
  4. Step 4: Simplify right side
    80,341.71x = 5,556,476,988.73
  5. Step 5: Solve for x
    x = 5,556,476,988.73/80,341.71
  6. Step 6: Final answer
    x = 69,160.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.