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Finding the Fourth Proportional to 171,234.72, 236,283.60 and 94,743.72

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Solution

The fourth proportional to 171,234.72, 236,283.60 and 94,743.72 is: 130,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,234.72 : 236,283.60 = 94,743.72 : x
  2. Step 2: Convert to fraction form
    171,234.72/236,283.60 = 94,743.72/x
  3. Step 3: Cross multiply
    171,234.72x = 236,283.60 × 94,743.72
  4. Step 4: Simplify right side
    171,234.72x = 22,386,387,238.99
  5. Step 5: Solve for x
    x = 22,386,387,238.99/171,234.72
  6. Step 6: Final answer
    x = 130,735.09

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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.