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Finding the Fourth Proportional to 181,672.88, 272,313.90 and 173,289.17

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Solution

The fourth proportional to 181,672.88, 272,313.90 and 173,289.17 is: 259,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,672.88 : 272,313.90 = 173,289.17 : x
  2. Step 2: Convert to fraction form
    181,672.88/272,313.90 = 173,289.17/x
  3. Step 3: Cross multiply
    181,672.88x = 272,313.90 × 173,289.17
  4. Step 4: Simplify right side
    181,672.88x = 47,189,050,391.25
  5. Step 5: Solve for x
    x = 47,189,050,391.25/181,672.88
  6. Step 6: Final answer
    x = 259,747.36

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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.