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Finding the Fourth Proportional to 216,597.11, 324,969.44 and 116,766.90

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Solution

The fourth proportional to 216,597.11, 324,969.44 and 116,766.90 is: 175,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,597.11 : 324,969.44 = 116,766.90 : x
  2. Step 2: Convert to fraction form
    216,597.11/324,969.44 = 116,766.90/x
  3. Step 3: Cross multiply
    216,597.11x = 324,969.44 × 116,766.90
  4. Step 4: Simplify right side
    216,597.11x = 37,945,673,519.70
  5. Step 5: Solve for x
    x = 37,945,673,519.70/216,597.11
  6. Step 6: Final answer
    x = 175,190.12

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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.