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Finding the Fourth Proportional to 101,832.68, 152,687.66 and 45,662.63

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Solution

The fourth proportional to 101,832.68, 152,687.66 and 45,662.63 is: 68,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,832.68 : 152,687.66 = 45,662.63 : x
  2. Step 2: Convert to fraction form
    101,832.68/152,687.66 = 45,662.63/x
  3. Step 3: Cross multiply
    101,832.68x = 152,687.66 × 45,662.63
  4. Step 4: Simplify right side
    101,832.68x = 6,972,119,132.39
  5. Step 5: Solve for x
    x = 6,972,119,132.39/101,832.68
  6. Step 6: Final answer
    x = 68,466.42

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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.