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Finding the Fourth Proportional to 109,606, 151,257.36 and 59,306.08

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Solution

The fourth proportional to 109,606, 151,257.36 and 59,306.08 is: 81,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,606 : 151,257.36 = 59,306.08 : x
  2. Step 2: Convert to fraction form
    109,606/151,257.36 = 59,306.08/x
  3. Step 3: Cross multiply
    109,606x = 151,257.36 × 59,306.08
  4. Step 4: Simplify right side
    109,606x = 8,970,481,092.75
  5. Step 5: Solve for x
    x = 8,970,481,092.75/109,606
  6. Step 6: Final answer
    x = 81,842.97

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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.