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Finding the Fourth Proportional to 67,741.92, 101,675.25 and 34,485.75

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Solution

The fourth proportional to 67,741.92, 101,675.25 and 34,485.75 is: 51,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,741.92 : 101,675.25 = 34,485.75 : x
  2. Step 2: Convert to fraction form
    67,741.92/101,675.25 = 34,485.75/x
  3. Step 3: Cross multiply
    67,741.92x = 101,675.25 × 34,485.75
  4. Step 4: Simplify right side
    67,741.92x = 3,506,347,252.69
  5. Step 5: Solve for x
    x = 3,506,347,252.69/67,741.92
  6. Step 6: Final answer
    x = 51,760.38

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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.