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Finding the Fourth Proportional to 229,996.76, 345,253.92 and 96,988.88

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Solution

The fourth proportional to 229,996.76, 345,253.92 and 96,988.88 is: 145,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,996.76 : 345,253.92 = 96,988.88 : x
  2. Step 2: Convert to fraction form
    229,996.76/345,253.92 = 96,988.88/x
  3. Step 3: Cross multiply
    229,996.76x = 345,253.92 × 96,988.88
  4. Step 4: Simplify right side
    229,996.76x = 33,485,789,290.14
  5. Step 5: Solve for x
    x = 33,485,789,290.14/229,996.76
  6. Step 6: Final answer
    x = 145,592.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.