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Finding the Fourth Proportional to 273,558.44, 377,509.20 and 158,865.28

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Solution

The fourth proportional to 273,558.44, 377,509.20 and 158,865.28 is: 219,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,558.44 : 377,509.20 = 158,865.28 : x
  2. Step 2: Convert to fraction form
    273,558.44/377,509.20 = 158,865.28/x
  3. Step 3: Cross multiply
    273,558.44x = 377,509.20 × 158,865.28
  4. Step 4: Simplify right side
    273,558.44x = 59,973,102,078.70
  5. Step 5: Solve for x
    x = 59,973,102,078.70/273,558.44
  6. Step 6: Final answer
    x = 219,233.24

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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.