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Finding the Fourth Proportional to 243,939.41, 365,711.90 and 101,893.51

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Solution

The fourth proportional to 243,939.41, 365,711.90 and 101,893.51 is: 152,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,939.41 : 365,711.90 = 101,893.51 : x
  2. Step 2: Convert to fraction form
    243,939.41/365,711.90 = 101,893.51/x
  3. Step 3: Cross multiply
    243,939.41x = 365,711.90 × 101,893.51
  4. Step 4: Simplify right side
    243,939.41x = 37,263,669,087.44
  5. Step 5: Solve for x
    x = 37,263,669,087.44/243,939.41
  6. Step 6: Final answer
    x = 152,757.89

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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.