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Finding the Fourth Proportional to 71,073.70, 98,083.24 and 39,244.61

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Solution

The fourth proportional to 71,073.70, 98,083.24 and 39,244.61 is: 54,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,073.70 : 98,083.24 = 39,244.61 : x
  2. Step 2: Convert to fraction form
    71,073.70/98,083.24 = 39,244.61/x
  3. Step 3: Cross multiply
    71,073.70x = 98,083.24 × 39,244.61
  4. Step 4: Simplify right side
    71,073.70x = 3,849,238,501.34
  5. Step 5: Solve for x
    x = 3,849,238,501.34/71,073.70
  6. Step 6: Final answer
    x = 54,158.41

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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.