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Finding the Fourth Proportional to 114,132.70, 171,235.57 and 47,579.86

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Solution

The fourth proportional to 114,132.70, 171,235.57 and 47,579.86 is: 71,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,132.70 : 171,235.57 = 47,579.86 : x
  2. Step 2: Convert to fraction form
    114,132.70/171,235.57 = 47,579.86/x
  3. Step 3: Cross multiply
    114,132.70x = 171,235.57 × 47,579.86
  4. Step 4: Simplify right side
    114,132.70x = 8,147,364,447.62
  5. Step 5: Solve for x
    x = 8,147,364,447.62/114,132.70
  6. Step 6: Final answer
    x = 71,385.01

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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.