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Finding the Fourth Proportional to 273,299.96, 377,137.70 and 158,569.72

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Solution

The fourth proportional to 273,299.96, 377,137.70 and 158,569.72 is: 218,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,299.96 : 377,137.70 = 158,569.72 : x
  2. Step 2: Convert to fraction form
    273,299.96/377,137.70 = 158,569.72/x
  3. Step 3: Cross multiply
    273,299.96x = 377,137.70 × 158,569.72
  4. Step 4: Simplify right side
    273,299.96x = 59,802,618,944.02
  5. Step 5: Solve for x
    x = 59,802,618,944.02/273,299.96
  6. Step 6: Final answer
    x = 218,816.78

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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.