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Finding the Fourth Proportional to 273,348.16, 377,257.92 and 160,216

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Solution

The fourth proportional to 273,348.16, 377,257.92 and 160,216 is: 221,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,348.16 : 377,257.92 = 160,216 : x
  2. Step 2: Convert to fraction form
    273,348.16/377,257.92 = 160,216/x
  3. Step 3: Cross multiply
    273,348.16x = 377,257.92 × 160,216
  4. Step 4: Simplify right side
    273,348.16x = 60,442,754,910.72
  5. Step 5: Solve for x
    x = 60,442,754,910.72/273,348.16
  6. Step 6: Final answer
    x = 221,120.04

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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.