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Finding the Fourth Proportional to 172,825.80, 259,282.43 and 48,166.80

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Solution

The fourth proportional to 172,825.80, 259,282.43 and 48,166.80 is: 72,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,825.80 : 259,282.43 = 48,166.80 : x
  2. Step 2: Convert to fraction form
    172,825.80/259,282.43 = 48,166.80/x
  3. Step 3: Cross multiply
    172,825.80x = 259,282.43 × 48,166.80
  4. Step 4: Simplify right side
    172,825.80x = 12,488,804,949.32
  5. Step 5: Solve for x
    x = 12,488,804,949.32/172,825.80
  6. Step 6: Final answer
    x = 72,262.39

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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.