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Finding the Fourth Proportional to 68,246.80, 102,370.20 and 33,254.80

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Solution

The fourth proportional to 68,246.80, 102,370.20 and 33,254.80 is: 49,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,246.80 : 102,370.20 = 33,254.80 : x
  2. Step 2: Convert to fraction form
    68,246.80/102,370.20 = 33,254.80/x
  3. Step 3: Cross multiply
    68,246.80x = 102,370.20 × 33,254.80
  4. Step 4: Simplify right side
    68,246.80x = 3,404,300,526.96
  5. Step 5: Solve for x
    x = 3,404,300,526.96/68,246.80
  6. Step 6: Final answer
    x = 49,882.20

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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.