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Finding the Fourth Proportional to 114,586.20, 171,879.30 and 48,008.52

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Solution

The fourth proportional to 114,586.20, 171,879.30 and 48,008.52 is: 72,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,586.20 : 171,879.30 = 48,008.52 : x
  2. Step 2: Convert to fraction form
    114,586.20/171,879.30 = 48,008.52/x
  3. Step 3: Cross multiply
    114,586.20x = 171,879.30 × 48,008.52
  4. Step 4: Simplify right side
    114,586.20x = 8,251,670,811.64
  5. Step 5: Solve for x
    x = 8,251,670,811.64/114,586.20
  6. Step 6: Final answer
    x = 72,012.78

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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.