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Finding the Fourth Proportional to 216,447.28, 298,692.83 and 119,655.22

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Solution

The fourth proportional to 216,447.28, 298,692.83 and 119,655.22 is: 165,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,447.28 : 298,692.83 = 119,655.22 : x
  2. Step 2: Convert to fraction form
    216,447.28/298,692.83 = 119,655.22/x
  3. Step 3: Cross multiply
    216,447.28x = 298,692.83 × 119,655.22
  4. Step 4: Simplify right side
    216,447.28x = 35,740,156,286.07
  5. Step 5: Solve for x
    x = 35,740,156,286.07/216,447.28
  6. Step 6: Final answer
    x = 165,121.76

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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.