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Finding the Fourth Proportional to 88,950.75, 133,435.44 and 28,983.89

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Solution

The fourth proportional to 88,950.75, 133,435.44 and 28,983.89 is: 43,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,950.75 : 133,435.44 = 28,983.89 : x
  2. Step 2: Convert to fraction form
    88,950.75/133,435.44 = 28,983.89/x
  3. Step 3: Cross multiply
    88,950.75x = 133,435.44 × 28,983.89
  4. Step 4: Simplify right side
    88,950.75x = 3,867,477,447.88
  5. Step 5: Solve for x
    x = 3,867,477,447.88/88,950.75
  6. Step 6: Final answer
    x = 43,478.86

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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.