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Finding the Fourth Proportional to 160,767.40, 221,843.03 and 92,806.27

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Solution

The fourth proportional to 160,767.40, 221,843.03 and 92,806.27 is: 128,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,767.40 : 221,843.03 = 92,806.27 : x
  2. Step 2: Convert to fraction form
    160,767.40/221,843.03 = 92,806.27/x
  3. Step 3: Cross multiply
    160,767.40x = 221,843.03 × 92,806.27
  4. Step 4: Simplify right side
    160,767.40x = 20,588,424,139.80
  5. Step 5: Solve for x
    x = 20,588,424,139.80/160,767.40
  6. Step 6: Final answer
    x = 128,063.43

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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.