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Finding the Fourth Proportional to 97,679.96, 146,520.12 and 35,335.88

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Solution

The fourth proportional to 97,679.96, 146,520.12 and 35,335.88 is: 53,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,679.96 : 146,520.12 = 35,335.88 : x
  2. Step 2: Convert to fraction form
    97,679.96/146,520.12 = 35,335.88/x
  3. Step 3: Cross multiply
    97,679.96x = 146,520.12 × 35,335.88
  4. Step 4: Simplify right side
    97,679.96x = 5,177,417,377.91
  5. Step 5: Solve for x
    x = 5,177,417,377.91/97,679.96
  6. Step 6: Final answer
    x = 53,003.89

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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.