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Finding the Fourth Proportional to 229,466.28, 316,654.44 and 127,498.08

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Solution

The fourth proportional to 229,466.28, 316,654.44 and 127,498.08 is: 175,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,466.28 : 316,654.44 = 127,498.08 : x
  2. Step 2: Convert to fraction form
    229,466.28/316,654.44 = 127,498.08/x
  3. Step 3: Cross multiply
    229,466.28x = 316,654.44 × 127,498.08
  4. Step 4: Simplify right side
    229,466.28x = 40,372,833,123.48
  5. Step 5: Solve for x
    x = 40,372,833,123.48/229,466.28
  6. Step 6: Final answer
    x = 175,942.34

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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.