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Finding the Fourth Proportional to 172,342.48, 237,828.40 and 95,861.32

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Solution

The fourth proportional to 172,342.48, 237,828.40 and 95,861.32 is: 132,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,342.48 : 237,828.40 = 95,861.32 : x
  2. Step 2: Convert to fraction form
    172,342.48/237,828.40 = 95,861.32/x
  3. Step 3: Cross multiply
    172,342.48x = 237,828.40 × 95,861.32
  4. Step 4: Simplify right side
    172,342.48x = 22,798,544,357.49
  5. Step 5: Solve for x
    x = 22,798,544,357.49/172,342.48
  6. Step 6: Final answer
    x = 132,286.27

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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.