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Finding the Fourth Proportional to 68,063.62, 102,095.52 and 18,141.16

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Solution

The fourth proportional to 68,063.62, 102,095.52 and 18,141.16 is: 27,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,063.62 : 102,095.52 = 18,141.16 : x
  2. Step 2: Convert to fraction form
    68,063.62/102,095.52 = 18,141.16/x
  3. Step 3: Cross multiply
    68,063.62x = 102,095.52 × 18,141.16
  4. Step 4: Simplify right side
    68,063.62x = 1,852,131,163.60
  5. Step 5: Solve for x
    x = 1,852,131,163.60/68,063.62
  6. Step 6: Final answer
    x = 27,211.76

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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.