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Finding the Fourth Proportional to 251,877.62, 377,815.98 and 172,751.96

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Solution

The fourth proportional to 251,877.62, 377,815.98 and 172,751.96 is: 259,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,877.62 : 377,815.98 = 172,751.96 : x
  2. Step 2: Convert to fraction form
    251,877.62/377,815.98 = 172,751.96/x
  3. Step 3: Cross multiply
    251,877.62x = 377,815.98 × 172,751.96
  4. Step 4: Simplify right side
    251,877.62x = 65,268,451,064.32
  5. Step 5: Solve for x
    x = 65,268,451,064.32/251,877.62
  6. Step 6: Final answer
    x = 259,127.63

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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.