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Finding the Fourth Proportional to 96,744.80, 145,082.64 and 34,402.88

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Solution

The fourth proportional to 96,744.80, 145,082.64 and 34,402.88 is: 51,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,744.80 : 145,082.64 = 34,402.88 : x
  2. Step 2: Convert to fraction form
    96,744.80/145,082.64 = 34,402.88/x
  3. Step 3: Cross multiply
    96,744.80x = 145,082.64 × 34,402.88
  4. Step 4: Simplify right side
    96,744.80x = 4,991,260,654.00
  5. Step 5: Solve for x
    x = 4,991,260,654.00/96,744.80
  6. Step 6: Final answer
    x = 51,592.03

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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.