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Finding the Fourth Proportional to 68,264.40, 102,396.60 and 44,644.80

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Solution

The fourth proportional to 68,264.40, 102,396.60 and 44,644.80 is: 66,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,264.40 : 102,396.60 = 44,644.80 : x
  2. Step 2: Convert to fraction form
    68,264.40/102,396.60 = 44,644.80/x
  3. Step 3: Cross multiply
    68,264.40x = 102,396.60 × 44,644.80
  4. Step 4: Simplify right side
    68,264.40x = 4,571,475,727.68
  5. Step 5: Solve for x
    x = 4,571,475,727.68/68,264.40
  6. Step 6: Final answer
    x = 66,967.20

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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.