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Finding the Fourth Proportional to 229,512.54, 316,736.80 and 127,537.58

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Solution

The fourth proportional to 229,512.54, 316,736.80 and 127,537.58 is: 176,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,512.54 : 316,736.80 = 127,537.58 : x
  2. Step 2: Convert to fraction form
    229,512.54/316,736.80 = 127,537.58/x
  3. Step 3: Cross multiply
    229,512.54x = 316,736.80 × 127,537.58
  4. Step 4: Simplify right side
    229,512.54x = 40,395,844,968.94
  5. Step 5: Solve for x
    x = 40,395,844,968.94/229,512.54
  6. Step 6: Final answer
    x = 176,007.14

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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.