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Finding the Fourth Proportional to 88,835.12, 133,193.40 and 36,230.48

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Solution

The fourth proportional to 88,835.12, 133,193.40 and 36,230.48 is: 54,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,835.12 : 133,193.40 = 36,230.48 : x
  2. Step 2: Convert to fraction form
    88,835.12/133,193.40 = 36,230.48/x
  3. Step 3: Cross multiply
    88,835.12x = 133,193.40 × 36,230.48
  4. Step 4: Simplify right side
    88,835.12x = 4,825,660,814.83
  5. Step 5: Solve for x
    x = 4,825,660,814.83/88,835.12
  6. Step 6: Final answer
    x = 54,321.54

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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.