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Finding the Fourth Proportional to 72,537.39, 108,821.79 and 29,843.04

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Solution

The fourth proportional to 72,537.39, 108,821.79 and 29,843.04 is: 44,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,537.39 : 108,821.79 = 29,843.04 : x
  2. Step 2: Convert to fraction form
    72,537.39/108,821.79 = 29,843.04/x
  3. Step 3: Cross multiply
    72,537.39x = 108,821.79 × 29,843.04
  4. Step 4: Simplify right side
    72,537.39x = 3,247,573,031.84
  5. Step 5: Solve for x
    x = 3,247,573,031.84/72,537.39
  6. Step 6: Final answer
    x = 44,771.02

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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.