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Finding the Fourth Proportional to 68,364.60, 102,374.10 and 44,863.80

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Solution

The fourth proportional to 68,364.60, 102,374.10 and 44,863.80 is: 67,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,364.60 : 102,374.10 = 44,863.80 : x
  2. Step 2: Convert to fraction form
    68,364.60/102,374.10 = 44,863.80/x
  3. Step 3: Cross multiply
    68,364.60x = 102,374.10 × 44,863.80
  4. Step 4: Simplify right side
    68,364.60x = 4,592,891,147.58
  5. Step 5: Solve for x
    x = 4,592,891,147.58/68,364.60
  6. Step 6: Final answer
    x = 67,182.30

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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.