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Finding the Fourth Proportional to 273,428.36, 377,322 and 160,248.68

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Solution

The fourth proportional to 273,428.36, 377,322 and 160,248.68 is: 221,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,428.36 : 377,322 = 160,248.68 : x
  2. Step 2: Convert to fraction form
    273,428.36/377,322 = 160,248.68/x
  3. Step 3: Cross multiply
    273,428.36x = 377,322 × 160,248.68
  4. Step 4: Simplify right side
    273,428.36x = 60,465,352,434.96
  5. Step 5: Solve for x
    x = 60,465,352,434.96/273,428.36
  6. Step 6: Final answer
    x = 221,137.82

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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.