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Finding the Fourth Proportional to 240,790.62, 361,333.56 and 107,783.34

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Solution

The fourth proportional to 240,790.62, 361,333.56 and 107,783.34 is: 161,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,790.62 : 361,333.56 = 107,783.34 : x
  2. Step 2: Convert to fraction form
    240,790.62/361,333.56 = 107,783.34/x
  3. Step 3: Cross multiply
    240,790.62x = 361,333.56 × 107,783.34
  4. Step 4: Simplify right side
    240,790.62x = 38,945,737,950.89
  5. Step 5: Solve for x
    x = 38,945,737,950.89/240,790.62
  6. Step 6: Final answer
    x = 161,741.09

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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.