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Finding the Fourth Proportional to 173,190.30, 259,720.65 and 60,827.10

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Solution

The fourth proportional to 173,190.30, 259,720.65 and 60,827.10 is: 91,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,190.30 : 259,720.65 = 60,827.10 : x
  2. Step 2: Convert to fraction form
    173,190.30/259,720.65 = 60,827.10/x
  3. Step 3: Cross multiply
    173,190.30x = 259,720.65 × 60,827.10
  4. Step 4: Simplify right side
    173,190.30x = 15,798,053,949.62
  5. Step 5: Solve for x
    x = 15,798,053,949.62/173,190.30
  6. Step 6: Final answer
    x = 91,217.89

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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.