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Finding the Fourth Proportional to 299,732.67, 449,588.61 and 75,095.01

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Solution

The fourth proportional to 299,732.67, 449,588.61 and 75,095.01 is: 112,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,732.67 : 449,588.61 = 75,095.01 : x
  2. Step 2: Convert to fraction form
    299,732.67/449,588.61 = 75,095.01/x
  3. Step 3: Cross multiply
    299,732.67x = 449,588.61 × 75,095.01
  4. Step 4: Simplify right side
    299,732.67x = 33,761,861,163.84
  5. Step 5: Solve for x
    x = 33,761,861,163.84/299,732.67
  6. Step 6: Final answer
    x = 112,639.91

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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.