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Finding the Fourth Proportional to 65,137.92, 89,890.29 and 35,329.92

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Solution

The fourth proportional to 65,137.92, 89,890.29 and 35,329.92 is: 48,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,137.92 : 89,890.29 = 35,329.92 : x
  2. Step 2: Convert to fraction form
    65,137.92/89,890.29 = 35,329.92/x
  3. Step 3: Cross multiply
    65,137.92x = 89,890.29 × 35,329.92
  4. Step 4: Simplify right side
    65,137.92x = 3,175,816,754.48
  5. Step 5: Solve for x
    x = 3,175,816,754.48/65,137.92
  6. Step 6: Final answer
    x = 48,755.27

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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.