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Finding the Fourth Proportional to 216,447.29, 298,692.83 and 119,655.23

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Solution

The fourth proportional to 216,447.29, 298,692.83 and 119,655.23 is: 165,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,447.29 : 298,692.83 = 119,655.23 : x
  2. Step 2: Convert to fraction form
    216,447.29/298,692.83 = 119,655.23/x
  3. Step 3: Cross multiply
    216,447.29x = 298,692.83 × 119,655.23
  4. Step 4: Simplify right side
    216,447.29x = 35,740,157,181.26
  5. Step 5: Solve for x
    x = 35,740,157,181.26/216,447.29
  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.