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Finding the Fourth Proportional to 273,893.84, 377,945.79 and 187,926.83

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Solution

The fourth proportional to 273,893.84, 377,945.79 and 187,926.83 is: 259,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,893.84 : 377,945.79 = 187,926.83 : x
  2. Step 2: Convert to fraction form
    273,893.84/377,945.79 = 187,926.83/x
  3. Step 3: Cross multiply
    273,893.84x = 377,945.79 × 187,926.83
  4. Step 4: Simplify right side
    273,893.84x = 71,026,152,336.82
  5. Step 5: Solve for x
    x = 71,026,152,336.82/273,893.84
  6. Step 6: Final answer
    x = 259,320.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.