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Finding the Fourth Proportional to 204,023.30, 285,865.90 and 204,023.30

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Solution

The fourth proportional to 204,023.30, 285,865.90 and 204,023.30 is: 285,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,023.30 : 285,865.90 = 204,023.30 : x
  2. Step 2: Convert to fraction form
    204,023.30/285,865.90 = 204,023.30/x
  3. Step 3: Cross multiply
    204,023.30x = 285,865.90 × 204,023.30
  4. Step 4: Simplify right side
    204,023.30x = 58,323,304,275.47
  5. Step 5: Solve for x
    x = 58,323,304,275.47/204,023.30
  6. Step 6: Final answer
    x = 285,865.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.