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Finding the Fourth Proportional to 68,080.42, 102,013.93 and 43,067.62

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Solution

The fourth proportional to 68,080.42, 102,013.93 and 43,067.62 is: 64,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.42 : 102,013.93 = 43,067.62 : x
  2. Step 2: Convert to fraction form
    68,080.42/102,013.93 = 43,067.62/x
  3. Step 3: Cross multiply
    68,080.42x = 102,013.93 × 43,067.62
  4. Step 4: Simplify right side
    68,080.42x = 4,393,497,640.21
  5. Step 5: Solve for x
    x = 4,393,497,640.21/68,080.42
  6. Step 6: Final answer
    x = 64,533.93

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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.