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Finding the Fourth Proportional to 101,082.30, 151,732.80 and 63,684.60

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Solution

The fourth proportional to 101,082.30, 151,732.80 and 63,684.60 is: 95,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,082.30 : 151,732.80 = 63,684.60 : x
  2. Step 2: Convert to fraction form
    101,082.30/151,732.80 = 63,684.60/x
  3. Step 3: Cross multiply
    101,082.30x = 151,732.80 × 63,684.60
  4. Step 4: Simplify right side
    101,082.30x = 9,663,042,674.88
  5. Step 5: Solve for x
    x = 9,663,042,674.88/101,082.30
  6. Step 6: Final answer
    x = 95,595.79

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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.