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Finding the Fourth Proportional to 216,922.62, 325,367.52 and 67,164.15

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Solution

The fourth proportional to 216,922.62, 325,367.52 and 67,164.15 is: 100,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,922.62 : 325,367.52 = 67,164.15 : x
  2. Step 2: Convert to fraction form
    216,922.62/325,367.52 = 67,164.15/x
  3. Step 3: Cross multiply
    216,922.62x = 325,367.52 × 67,164.15
  4. Step 4: Simplify right side
    216,922.62x = 21,853,032,918.41
  5. Step 5: Solve for x
    x = 21,853,032,918.41/216,922.62
  6. Step 6: Final answer
    x = 100,741.14

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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.