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Finding the Fourth Proportional to 114,630.96, 171,917.28 and 44,472

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Solution

The fourth proportional to 114,630.96, 171,917.28 and 44,472 is: 66,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,630.96 : 171,917.28 = 44,472 : x
  2. Step 2: Convert to fraction form
    114,630.96/171,917.28 = 44,472/x
  3. Step 3: Cross multiply
    114,630.96x = 171,917.28 × 44,472
  4. Step 4: Simplify right side
    114,630.96x = 7,645,505,276.16
  5. Step 5: Solve for x
    x = 7,645,505,276.16/114,630.96
  6. Step 6: Final answer
    x = 66,696.69

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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.