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Finding the Fourth Proportional to 172,763.82, 259,158.86 and 58,876.24

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Solution

The fourth proportional to 172,763.82, 259,158.86 and 58,876.24 is: 88,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,763.82 : 259,158.86 = 58,876.24 : x
  2. Step 2: Convert to fraction form
    172,763.82/259,158.86 = 58,876.24/x
  3. Step 3: Cross multiply
    172,763.82x = 259,158.86 × 58,876.24
  4. Step 4: Simplify right side
    172,763.82x = 15,258,299,239.49
  5. Step 5: Solve for x
    x = 15,258,299,239.49/172,763.82
  6. Step 6: Final answer
    x = 88,318.83

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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.