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Finding the Fourth Proportional to 216,113.82, 323,949.02 and 82,958.22

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Solution

The fourth proportional to 216,113.82, 323,949.02 and 82,958.22 is: 124,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,113.82 : 323,949.02 = 82,958.22 : x
  2. Step 2: Convert to fraction form
    216,113.82/323,949.02 = 82,958.22/x
  3. Step 3: Cross multiply
    216,113.82x = 323,949.02 × 82,958.22
  4. Step 4: Simplify right side
    216,113.82x = 26,874,234,069.94
  5. Step 5: Solve for x
    x = 26,874,234,069.94/216,113.82
  6. Step 6: Final answer
    x = 124,352.22

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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.