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Finding the Fourth Proportional to 68,282.40, 102,423.60 and 44,662.80

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Solution

The fourth proportional to 68,282.40, 102,423.60 and 44,662.80 is: 66,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282.40 : 102,423.60 = 44,662.80 : x
  2. Step 2: Convert to fraction form
    68,282.40/102,423.60 = 44,662.80/x
  3. Step 3: Cross multiply
    68,282.40x = 102,423.60 × 44,662.80
  4. Step 4: Simplify right side
    68,282.40x = 4,574,524,762.08
  5. Step 5: Solve for x
    x = 4,574,524,762.08/68,282.40
  6. Step 6: Final answer
    x = 66,994.20

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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.