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Finding the Fourth Proportional to 172,774.88, 259,161.30 and 44,691.18

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Solution

The fourth proportional to 172,774.88, 259,161.30 and 44,691.18 is: 67,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,774.88 : 259,161.30 = 44,691.18 : x
  2. Step 2: Convert to fraction form
    172,774.88/259,161.30 = 44,691.18/x
  3. Step 3: Cross multiply
    172,774.88x = 259,161.30 × 44,691.18
  4. Step 4: Simplify right side
    172,774.88x = 11,582,222,788.07
  5. Step 5: Solve for x
    x = 11,582,222,788.07/172,774.88
  6. Step 6: Final answer
    x = 67,036.50

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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.