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Finding the Fourth Proportional to 79,320.88, 118,939.44 and 41,901.04

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Solution

The fourth proportional to 79,320.88, 118,939.44 and 41,901.04 is: 62,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.88 : 118,939.44 = 41,901.04 : x
  2. Step 2: Convert to fraction form
    79,320.88/118,939.44 = 41,901.04/x
  3. Step 3: Cross multiply
    79,320.88x = 118,939.44 × 41,901.04
  4. Step 4: Simplify right side
    79,320.88x = 4,983,686,233.02
  5. Step 5: Solve for x
    x = 4,983,686,233.02/79,320.88
  6. Step 6: Final answer
    x = 62,829.44

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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.