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Finding the Fourth Proportional to 273,377.72, 377,278.01 and 152,519.24

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Solution

The fourth proportional to 273,377.72, 377,278.01 and 152,519.24 is: 210,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,377.72 : 377,278.01 = 152,519.24 : x
  2. Step 2: Convert to fraction form
    273,377.72/377,278.01 = 152,519.24/x
  3. Step 3: Cross multiply
    273,377.72x = 377,278.01 × 152,519.24
  4. Step 4: Simplify right side
    273,377.72x = 57,542,152,704.93
  5. Step 5: Solve for x
    x = 57,542,152,704.93/273,377.72
  6. Step 6: Final answer
    x = 210,485.89

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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.