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Finding the Fourth Proportional to 273,549.44, 377,561.22 and 160,408.64

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Solution

The fourth proportional to 273,549.44, 377,561.22 and 160,408.64 is: 221,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,549.44 : 377,561.22 = 160,408.64 : x
  2. Step 2: Convert to fraction form
    273,549.44/377,561.22 = 160,408.64/x
  3. Step 3: Cross multiply
    273,549.44x = 377,561.22 × 160,408.64
  4. Step 4: Simplify right side
    273,549.44x = 60,564,082,159.31
  5. Step 5: Solve for x
    x = 60,564,082,159.31/273,549.44
  6. Step 6: Final answer
    x = 221,400.86

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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.