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Finding the Fourth Proportional to 273,069.92, 376,660.64 and 181,187.20

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Solution

The fourth proportional to 273,069.92, 376,660.64 and 181,187.20 is: 249,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,069.92 : 376,660.64 = 181,187.20 : x
  2. Step 2: Convert to fraction form
    273,069.92/376,660.64 = 181,187.20/x
  3. Step 3: Cross multiply
    273,069.92x = 376,660.64 × 181,187.20
  4. Step 4: Simplify right side
    273,069.92x = 68,246,086,711.81
  5. Step 5: Solve for x
    x = 68,246,086,711.81/273,069.92
  6. Step 6: Final answer
    x = 249,921.66

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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.