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Finding the Fourth Proportional to 229,179.60, 316,252.22 and 127,201.41

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Solution

The fourth proportional to 229,179.60, 316,252.22 and 127,201.41 is: 175,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,179.60 : 316,252.22 = 127,201.41 : x
  2. Step 2: Convert to fraction form
    229,179.60/316,252.22 = 127,201.41/x
  3. Step 3: Cross multiply
    229,179.60x = 316,252.22 × 127,201.41
  4. Step 4: Simplify right side
    229,179.60x = 40,227,727,663.62
  5. Step 5: Solve for x
    x = 40,227,727,663.62/229,179.60
  6. Step 6: Final answer
    x = 175,529.27

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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.