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Finding the Fourth Proportional to 172,992.33, 259,531.70 and 48,332.25

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Solution

The fourth proportional to 172,992.33, 259,531.70 and 48,332.25 is: 72,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,992.33 : 259,531.70 = 48,332.25 : x
  2. Step 2: Convert to fraction form
    172,992.33/259,531.70 = 48,332.25/x
  3. Step 3: Cross multiply
    172,992.33x = 259,531.70 × 48,332.25
  4. Step 4: Simplify right side
    172,992.33x = 12,543,750,765.66
  5. Step 5: Solve for x
    x = 12,543,750,765.66/172,992.33
  6. Step 6: Final answer
    x = 72,510.44

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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.