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Finding the Fourth Proportional to 181,963.53, 273,029.84 and 69,606.61

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Solution

The fourth proportional to 181,963.53, 273,029.84 and 69,606.61 is: 104,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,963.53 : 273,029.84 = 69,606.61 : x
  2. Step 2: Convert to fraction form
    181,963.53/273,029.84 = 69,606.61/x
  3. Step 3: Cross multiply
    181,963.53x = 273,029.84 × 69,606.61
  4. Step 4: Simplify right side
    181,963.53x = 19,004,680,821.66
  5. Step 5: Solve for x
    x = 19,004,680,821.66/181,963.53
  6. Step 6: Final answer
    x = 104,442.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.