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Finding the Fourth Proportional to 216,829.44, 325,275.15 and 67,082.52

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Solution

The fourth proportional to 216,829.44, 325,275.15 and 67,082.52 is: 100,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,829.44 : 325,275.15 = 67,082.52 : x
  2. Step 2: Convert to fraction form
    216,829.44/325,275.15 = 67,082.52/x
  3. Step 3: Cross multiply
    216,829.44x = 325,275.15 × 67,082.52
  4. Step 4: Simplify right side
    216,829.44x = 21,820,275,535.60
  5. Step 5: Solve for x
    x = 21,820,275,535.60/216,829.44
  6. Step 6: Final answer
    x = 100,633.36

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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.