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Finding the Fourth Proportional to 45,333, 68,001.93 and 14,170.68

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Solution

The fourth proportional to 45,333, 68,001.93 and 14,170.68 is: 21,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,333 : 68,001.93 = 14,170.68 : x
  2. Step 2: Convert to fraction form
    45,333/68,001.93 = 14,170.68/x
  3. Step 3: Cross multiply
    45,333x = 68,001.93 × 14,170.68
  4. Step 4: Simplify right side
    45,333x = 963,633,589.41
  5. Step 5: Solve for x
    x = 963,633,589.41/45,333
  6. Step 6: Final answer
    x = 21,256.78

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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.