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Finding the Fourth Proportional to 293,687.76, 440,563.56 and 93,961.20

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Solution

The fourth proportional to 293,687.76, 440,563.56 and 93,961.20 is: 140,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,687.76 : 440,563.56 = 93,961.20 : x
  2. Step 2: Convert to fraction form
    293,687.76/440,563.56 = 93,961.20/x
  3. Step 3: Cross multiply
    293,687.76x = 440,563.56 × 93,961.20
  4. Step 4: Simplify right side
    293,687.76x = 41,395,880,773.87
  5. Step 5: Solve for x
    x = 41,395,880,773.87/293,687.76
  6. Step 6: Final answer
    x = 140,952.01

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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.