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Finding the Fourth Proportional to 273,418.88, 377,291.86 and 166,047.72

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Solution

The fourth proportional to 273,418.88, 377,291.86 and 166,047.72 is: 229,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,418.88 : 377,291.86 = 166,047.72 : x
  2. Step 2: Convert to fraction form
    273,418.88/377,291.86 = 166,047.72/x
  3. Step 3: Cross multiply
    273,418.88x = 377,291.86 × 166,047.72
  4. Step 4: Simplify right side
    273,418.88x = 62,648,453,127.56
  5. Step 5: Solve for x
    x = 62,648,453,127.56/273,418.88
  6. Step 6: Final answer
    x = 229,129.95

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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.