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Finding the Fourth Proportional to 68,900.62, 95,106.84 and 40,604.50

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Solution

The fourth proportional to 68,900.62, 95,106.84 and 40,604.50 is: 56,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,900.62 : 95,106.84 = 40,604.50 : x
  2. Step 2: Convert to fraction form
    68,900.62/95,106.84 = 40,604.50/x
  3. Step 3: Cross multiply
    68,900.62x = 95,106.84 × 40,604.50
  4. Step 4: Simplify right side
    68,900.62x = 3,861,765,684.78
  5. Step 5: Solve for x
    x = 3,861,765,684.78/68,900.62
  6. Step 6: Final answer
    x = 56,048.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.