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Finding the Fourth Proportional to 88,730.88, 133,057.44 and 33,288

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Solution

The fourth proportional to 88,730.88, 133,057.44 and 33,288 is: 49,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,730.88 : 133,057.44 = 33,288 : x
  2. Step 2: Convert to fraction form
    88,730.88/133,057.44 = 33,288/x
  3. Step 3: Cross multiply
    88,730.88x = 133,057.44 × 33,288
  4. Step 4: Simplify right side
    88,730.88x = 4,429,216,062.72
  5. Step 5: Solve for x
    x = 4,429,216,062.72/88,730.88
  6. Step 6: Final answer
    x = 49,917.41

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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.