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Finding the Fourth Proportional to 88,424.33, 132,637.87 and 49,230.56

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Solution

The fourth proportional to 88,424.33, 132,637.87 and 49,230.56 is: 73,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,424.33 : 132,637.87 = 49,230.56 : x
  2. Step 2: Convert to fraction form
    88,424.33/132,637.87 = 49,230.56/x
  3. Step 3: Cross multiply
    88,424.33x = 132,637.87 × 49,230.56
  4. Step 4: Simplify right side
    88,424.33x = 6,529,836,617.31
  5. Step 5: Solve for x
    x = 6,529,836,617.31/88,424.33
  6. Step 6: Final answer
    x = 73,846.61

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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.