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Finding the Fourth Proportional to 167,901.68, 251,852.24 and 115,151.24

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Solution

The fourth proportional to 167,901.68, 251,852.24 and 115,151.24 is: 172,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,901.68 : 251,852.24 = 115,151.24 : x
  2. Step 2: Convert to fraction form
    167,901.68/251,852.24 = 115,151.24/x
  3. Step 3: Cross multiply
    167,901.68x = 251,852.24 × 115,151.24
  4. Step 4: Simplify right side
    167,901.68x = 29,001,097,732.78
  5. Step 5: Solve for x
    x = 29,001,097,732.78/167,901.68
  6. Step 6: Final answer
    x = 172,726.67

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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.