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Finding the Fourth Proportional to 273,872.33, 377,941.25 and 153,034.43

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Solution

The fourth proportional to 273,872.33, 377,941.25 and 153,034.43 is: 211,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,872.33 : 377,941.25 = 153,034.43 : x
  2. Step 2: Convert to fraction form
    273,872.33/377,941.25 = 153,034.43/x
  3. Step 3: Cross multiply
    273,872.33x = 377,941.25 × 153,034.43
  4. Step 4: Simplify right side
    273,872.33x = 57,838,021,112.36
  5. Step 5: Solve for x
    x = 57,838,021,112.36/273,872.33
  6. Step 6: Final answer
    x = 211,186.07

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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.