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Finding the Fourth Proportional to 172,753.82, 259,167.64 and 60,437.70

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Solution

The fourth proportional to 172,753.82, 259,167.64 and 60,437.70 is: 90,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,753.82 : 259,167.64 = 60,437.70 : x
  2. Step 2: Convert to fraction form
    172,753.82/259,167.64 = 60,437.70/x
  3. Step 3: Cross multiply
    172,753.82x = 259,167.64 × 60,437.70
  4. Step 4: Simplify right side
    172,753.82x = 15,663,496,497.70
  5. Step 5: Solve for x
    x = 15,663,496,497.70/172,753.82
  6. Step 6: Final answer
    x = 90,669.46

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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.