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Finding the Fourth Proportional to 204,506.36, 306,833.36 and 71,406.23

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Solution

The fourth proportional to 204,506.36, 306,833.36 and 71,406.23 is: 107,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,506.36 : 306,833.36 = 71,406.23 : x
  2. Step 2: Convert to fraction form
    204,506.36/306,833.36 = 71,406.23/x
  3. Step 3: Cross multiply
    204,506.36x = 306,833.36 × 71,406.23
  4. Step 4: Simplify right side
    204,506.36x = 21,909,811,584.63
  5. Step 5: Solve for x
    x = 21,909,811,584.63/204,506.36
  6. Step 6: Final answer
    x = 107,135.11

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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.