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Finding the Fourth Proportional to 293,359.62, 440,051.94 and 103,821.60

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Solution

The fourth proportional to 293,359.62, 440,051.94 and 103,821.60 is: 155,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,359.62 : 440,051.94 = 103,821.60 : x
  2. Step 2: Convert to fraction form
    293,359.62/440,051.94 = 103,821.60/x
  3. Step 3: Cross multiply
    293,359.62x = 440,051.94 × 103,821.60
  4. Step 4: Simplify right side
    293,359.62x = 45,686,896,493.90
  5. Step 5: Solve for x
    x = 45,686,896,493.90/293,359.62
  6. Step 6: Final answer
    x = 155,736.83

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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.