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Finding the Fourth Proportional to 273,231.49, 377,061.65 and 152,380.57

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Solution

The fourth proportional to 273,231.49, 377,061.65 and 152,380.57 is: 210,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,231.49 : 377,061.65 = 152,380.57 : x
  2. Step 2: Convert to fraction form
    273,231.49/377,061.65 = 152,380.57/x
  3. Step 3: Cross multiply
    273,231.49x = 377,061.65 × 152,380.57
  4. Step 4: Simplify right side
    273,231.49x = 57,456,869,152.14
  5. Step 5: Solve for x
    x = 57,456,869,152.14/273,231.49
  6. Step 6: Final answer
    x = 210,286.41

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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.