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Finding the Fourth Proportional to 273,418.79, 377,321.24 and 158,724

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Solution

The fourth proportional to 273,418.79, 377,321.24 and 158,724 is: 219,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,418.79 : 377,321.24 = 158,724 : x
  2. Step 2: Convert to fraction form
    273,418.79/377,321.24 = 158,724/x
  3. Step 3: Cross multiply
    273,418.79x = 377,321.24 × 158,724
  4. Step 4: Simplify right side
    273,418.79x = 59,889,935,704.14
  5. Step 5: Solve for x
    x = 59,889,935,704.14/273,418.79
  6. Step 6: Final answer
    x = 219,041.04

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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.