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Finding the Fourth Proportional to 68,022.67, 102,033.84 and 18,102.76

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Solution

The fourth proportional to 68,022.67, 102,033.84 and 18,102.76 is: 27,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.67 : 102,033.84 = 18,102.76 : x
  2. Step 2: Convert to fraction form
    68,022.67/102,033.84 = 18,102.76/x
  3. Step 3: Cross multiply
    68,022.67x = 102,033.84 × 18,102.76
  4. Step 4: Simplify right side
    68,022.67x = 1,847,094,117.40
  5. Step 5: Solve for x
    x = 1,847,094,117.40/68,022.67
  6. Step 6: Final answer
    x = 27,154.10

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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.