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Finding the Fourth Proportional to 88,586.43, 132,893.03 and 28,594.86

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Solution

The fourth proportional to 88,586.43, 132,893.03 and 28,594.86 is: 42,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,586.43 : 132,893.03 = 28,594.86 : x
  2. Step 2: Convert to fraction form
    88,586.43/132,893.03 = 28,594.86/x
  3. Step 3: Cross multiply
    88,586.43x = 132,893.03 × 28,594.86
  4. Step 4: Simplify right side
    88,586.43x = 3,800,057,587.83
  5. Step 5: Solve for x
    x = 3,800,057,587.83/88,586.43
  6. Step 6: Final answer
    x = 42,896.61

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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.