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Finding the Fourth Proportional to 204,527.20, 306,801.20 and 64,287.20

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Solution

The fourth proportional to 204,527.20, 306,801.20 and 64,287.20 is: 96,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,527.20 : 306,801.20 = 64,287.20 : x
  2. Step 2: Convert to fraction form
    204,527.20/306,801.20 = 64,287.20/x
  3. Step 3: Cross multiply
    204,527.20x = 306,801.20 × 64,287.20
  4. Step 4: Simplify right side
    204,527.20x = 19,723,390,104.64
  5. Step 5: Solve for x
    x = 19,723,390,104.64/204,527.20
  6. Step 6: Final answer
    x = 96,434.07

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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.