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Finding the Fourth Proportional to 172,451.63, 237,978.37 and 95,969.50

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Solution

The fourth proportional to 172,451.63, 237,978.37 and 95,969.50 is: 132,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,451.63 : 237,978.37 = 95,969.50 : x
  2. Step 2: Convert to fraction form
    172,451.63/237,978.37 = 95,969.50/x
  3. Step 3: Cross multiply
    172,451.63x = 237,978.37 × 95,969.50
  4. Step 4: Simplify right side
    172,451.63x = 22,838,664,344.85
  5. Step 5: Solve for x
    x = 22,838,664,344.85/172,451.63
  6. Step 6: Final answer
    x = 132,435.19

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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.