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Finding the Fourth Proportional to 114,740.72, 171,861.85 and 55,452.07

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Solution

The fourth proportional to 114,740.72, 171,861.85 and 55,452.07 is: 83,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,740.72 : 171,861.85 = 55,452.07 : x
  2. Step 2: Convert to fraction form
    114,740.72/171,861.85 = 55,452.07/x
  3. Step 3: Cross multiply
    114,740.72x = 171,861.85 × 55,452.07
  4. Step 4: Simplify right side
    114,740.72x = 9,530,095,336.53
  5. Step 5: Solve for x
    x = 9,530,095,336.53/114,740.72
  6. Step 6: Final answer
    x = 83,057.66

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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.