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Finding the Fourth Proportional to 251,852.52, 377,778.36 and 172,726.86

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Solution

The fourth proportional to 251,852.52, 377,778.36 and 172,726.86 is: 259,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,852.52 : 377,778.36 = 172,726.86 : x
  2. Step 2: Convert to fraction form
    251,852.52/377,778.36 = 172,726.86/x
  3. Step 3: Cross multiply
    251,852.52x = 377,778.36 × 172,726.86
  4. Step 4: Simplify right side
    251,852.52x = 65,252,469,898.75
  5. Step 5: Solve for x
    x = 65,252,469,898.75/251,852.52
  6. Step 6: Final answer
    x = 259,090.00

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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.