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Finding the Fourth Proportional to 73,446.44, 101,387.09 and 49,605.40

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Solution

The fourth proportional to 73,446.44, 101,387.09 and 49,605.40 is: 68,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,446.44 : 101,387.09 = 49,605.40 : x
  2. Step 2: Convert to fraction form
    73,446.44/101,387.09 = 49,605.40/x
  3. Step 3: Cross multiply
    73,446.44x = 101,387.09 × 49,605.40
  4. Step 4: Simplify right side
    73,446.44x = 5,029,347,407.75
  5. Step 5: Solve for x
    x = 5,029,347,407.75/73,446.44
  6. Step 6: Final answer
    x = 68,476.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.