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Finding the Fourth Proportional to 273,712.45, 377,719.39 and 159,055.89

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Solution

The fourth proportional to 273,712.45, 377,719.39 and 159,055.89 is: 219,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,712.45 : 377,719.39 = 159,055.89 : x
  2. Step 2: Convert to fraction form
    273,712.45/377,719.39 = 159,055.89/x
  3. Step 3: Cross multiply
    273,712.45x = 377,719.39 × 159,055.89
  4. Step 4: Simplify right side
    273,712.45x = 60,078,492,529.08
  5. Step 5: Solve for x
    x = 60,078,492,529.08/273,712.45
  6. Step 6: Final answer
    x = 219,494.92

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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.