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Finding the Fourth Proportional to 172,354.88, 237,861.36 and 96,908.48

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Solution

The fourth proportional to 172,354.88, 237,861.36 and 96,908.48 is: 133,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,354.88 : 237,861.36 = 96,908.48 : x
  2. Step 2: Convert to fraction form
    172,354.88/237,861.36 = 96,908.48/x
  3. Step 3: Cross multiply
    172,354.88x = 237,861.36 × 96,908.48
  4. Step 4: Simplify right side
    172,354.88x = 23,050,782,848.33
  5. Step 5: Solve for x
    x = 23,050,782,848.33/172,354.88
  6. Step 6: Final answer
    x = 133,740.24

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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.