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Finding the Fourth Proportional to 273,021.72, 376,800.48 and 152,174.04

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Solution

The fourth proportional to 273,021.72, 376,800.48 and 152,174.04 is: 210,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,021.72 : 376,800.48 = 152,174.04 : x
  2. Step 2: Convert to fraction form
    273,021.72/376,800.48 = 152,174.04/x
  3. Step 3: Cross multiply
    273,021.72x = 376,800.48 × 152,174.04
  4. Step 4: Simplify right side
    273,021.72x = 57,339,251,315.54
  5. Step 5: Solve for x
    x = 57,339,251,315.54/273,021.72
  6. Step 6: Final answer
    x = 210,017.18

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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.