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Finding the Fourth Proportional to 144,351.72, 216,517.86 and 50,845.32

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Solution

The fourth proportional to 144,351.72, 216,517.86 and 50,845.32 is: 76,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,351.72 : 216,517.86 = 50,845.32 : x
  2. Step 2: Convert to fraction form
    144,351.72/216,517.86 = 50,845.32/x
  3. Step 3: Cross multiply
    144,351.72x = 216,517.86 × 50,845.32
  4. Step 4: Simplify right side
    144,351.72x = 11,008,919,877.42
  5. Step 5: Solve for x
    x = 11,008,919,877.42/144,351.72
  6. Step 6: Final answer
    x = 76,264.56

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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.