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Finding the Fourth Proportional to 68,304.61, 102,469.23 and 30,882.30

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Solution

The fourth proportional to 68,304.61, 102,469.23 and 30,882.30 is: 46,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,304.61 : 102,469.23 = 30,882.30 : x
  2. Step 2: Convert to fraction form
    68,304.61/102,469.23 = 30,882.30/x
  3. Step 3: Cross multiply
    68,304.61x = 102,469.23 × 30,882.30
  4. Step 4: Simplify right side
    68,304.61x = 3,164,485,501.63
  5. Step 5: Solve for x
    x = 3,164,485,501.63/68,304.61
  6. Step 6: Final answer
    x = 46,329.02

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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.