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Finding the Fourth Proportional to 71,377.96, 98,497.47 and 39,544.96

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Solution

The fourth proportional to 71,377.96, 98,497.47 and 39,544.96 is: 54,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.96 : 98,497.47 = 39,544.96 : x
  2. Step 2: Convert to fraction form
    71,377.96/98,497.47 = 39,544.96/x
  3. Step 3: Cross multiply
    71,377.96x = 98,497.47 × 39,544.96
  4. Step 4: Simplify right side
    71,377.96x = 3,895,078,511.25
  5. Step 5: Solve for x
    x = 3,895,078,511.25/71,377.96
  6. Step 6: Final answer
    x = 54,569.77

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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.