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Finding the Fourth Proportional to 273,252.81, 376,989.49 and 158,468.12

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Solution

The fourth proportional to 273,252.81, 376,989.49 and 158,468.12 is: 218,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,252.81 : 376,989.49 = 158,468.12 : x
  2. Step 2: Convert to fraction form
    273,252.81/376,989.49 = 158,468.12/x
  3. Step 3: Cross multiply
    273,252.81x = 376,989.49 × 158,468.12
  4. Step 4: Simplify right side
    273,252.81x = 59,740,813,458.94
  5. Step 5: Solve for x
    x = 59,740,813,458.94/273,252.81
  6. Step 6: Final answer
    x = 218,628.36

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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.