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Finding the Fourth Proportional to 293,687.81, 440,316.24 and 93,893.21

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Solution

The fourth proportional to 293,687.81, 440,316.24 and 93,893.21 is: 140,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,687.81 : 440,316.24 = 93,893.21 : x
  2. Step 2: Convert to fraction form
    293,687.81/440,316.24 = 93,893.21/x
  3. Step 3: Cross multiply
    293,687.81x = 440,316.24 × 93,893.21
  4. Step 4: Simplify right side
    293,687.81x = 41,342,705,188.73
  5. Step 5: Solve for x
    x = 41,342,705,188.73/293,687.81
  6. Step 6: Final answer
    x = 140,770.93

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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.