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Finding the Fourth Proportional to 71,326.08, 106,764.96 and 49,008.96

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Solution

The fourth proportional to 71,326.08, 106,764.96 and 49,008.96 is: 73,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.08 : 106,764.96 = 49,008.96 : x
  2. Step 2: Convert to fraction form
    71,326.08/106,764.96 = 49,008.96/x
  3. Step 3: Cross multiply
    71,326.08x = 106,764.96 × 49,008.96
  4. Step 4: Simplify right side
    71,326.08x = 5,232,439,654.04
  5. Step 5: Solve for x
    x = 5,232,439,654.04/71,326.08
  6. Step 6: Final answer
    x = 73,359.42

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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.