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Finding the Fourth Proportional to 67,346.63, 101,049.72 and 35,318.05

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Solution

The fourth proportional to 67,346.63, 101,049.72 and 35,318.05 is: 52,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.63 : 101,049.72 = 35,318.05 : x
  2. Step 2: Convert to fraction form
    67,346.63/101,049.72 = 35,318.05/x
  3. Step 3: Cross multiply
    67,346.63x = 101,049.72 × 35,318.05
  4. Step 4: Simplify right side
    67,346.63x = 3,568,878,558.20
  5. Step 5: Solve for x
    x = 3,568,878,558.20/67,346.63
  6. Step 6: Final answer
    x = 52,992.69

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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.