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Finding the Fourth Proportional to 101,596.23, 152,418.68 and 42,398.97

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Solution

The fourth proportional to 101,596.23, 152,418.68 and 42,398.97 is: 63,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,596.23 : 152,418.68 = 42,398.97 : x
  2. Step 2: Convert to fraction form
    101,596.23/152,418.68 = 42,398.97/x
  3. Step 3: Cross multiply
    101,596.23x = 152,418.68 × 42,398.97
  4. Step 4: Simplify right side
    101,596.23x = 6,462,394,828.76
  5. Step 5: Solve for x
    x = 6,462,394,828.76/101,596.23
  6. Step 6: Final answer
    x = 63,608.61

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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.