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Finding the Fourth Proportional to 88,661.88, 132,953.76 and 33,219

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Solution

The fourth proportional to 88,661.88, 132,953.76 and 33,219 is: 49,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,661.88 : 132,953.76 = 33,219 : x
  2. Step 2: Convert to fraction form
    88,661.88/132,953.76 = 33,219/x
  3. Step 3: Cross multiply
    88,661.88x = 132,953.76 × 33,219
  4. Step 4: Simplify right side
    88,661.88x = 4,416,590,953.44
  5. Step 5: Solve for x
    x = 4,416,590,953.44/88,661.88
  6. Step 6: Final answer
    x = 49,813.87

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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.