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Finding the Fourth Proportional to 172,891.44, 259,327.98 and 52,948.35

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Solution

The fourth proportional to 172,891.44, 259,327.98 and 52,948.35 is: 79,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,891.44 : 259,327.98 = 52,948.35 : x
  2. Step 2: Convert to fraction form
    172,891.44/259,327.98 = 52,948.35/x
  3. Step 3: Cross multiply
    172,891.44x = 259,327.98 × 52,948.35
  4. Step 4: Simplify right side
    172,891.44x = 13,730,988,649.83
  5. Step 5: Solve for x
    x = 13,730,988,649.83/172,891.44
  6. Step 6: Final answer
    x = 79,419.71

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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.