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Finding the Fourth Proportional to 181,849.91, 250,866.05 and 141,286.05

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Solution

The fourth proportional to 181,849.91, 250,866.05 and 141,286.05 is: 194,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,849.91 : 250,866.05 = 141,286.05 : x
  2. Step 2: Convert to fraction form
    181,849.91/250,866.05 = 141,286.05/x
  3. Step 3: Cross multiply
    181,849.91x = 250,866.05 × 141,286.05
  4. Step 4: Simplify right side
    181,849.91x = 35,443,872,577.17
  5. Step 5: Solve for x
    x = 35,443,872,577.17/181,849.91
  6. Step 6: Final answer
    x = 194,907.29

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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.