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Finding the Fourth Proportional to 273,549.76, 377,561.65 and 160,408.96

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Solution

The fourth proportional to 273,549.76, 377,561.65 and 160,408.96 is: 221,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,549.76 : 377,561.65 = 160,408.96 : x
  2. Step 2: Convert to fraction form
    273,549.76/377,561.65 = 160,408.96/x
  3. Step 3: Cross multiply
    273,549.76x = 377,561.65 × 160,408.96
  4. Step 4: Simplify right side
    273,549.76x = 60,564,269,323.55
  5. Step 5: Solve for x
    x = 60,564,269,323.55/273,549.76
  6. Step 6: Final answer
    x = 221,401.29

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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.