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Finding the Fourth Proportional to 273,507.16, 377,414.30 and 158,755.36

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Solution

The fourth proportional to 273,507.16, 377,414.30 and 158,755.36 is: 219,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,507.16 : 377,414.30 = 158,755.36 : x
  2. Step 2: Convert to fraction form
    273,507.16/377,414.30 = 158,755.36/x
  3. Step 3: Cross multiply
    273,507.16x = 377,414.30 × 158,755.36
  4. Step 4: Simplify right side
    273,507.16x = 59,916,543,065.65
  5. Step 5: Solve for x
    x = 59,916,543,065.65/273,507.16
  6. Step 6: Final answer
    x = 219,067.55

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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.