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Finding the Fourth Proportional to 296,576.16, 444,862.61 and 71,936.16

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Solution

The fourth proportional to 296,576.16, 444,862.61 and 71,936.16 is: 107,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,576.16 : 444,862.61 = 71,936.16 : x
  2. Step 2: Convert to fraction form
    296,576.16/444,862.61 = 71,936.16/x
  3. Step 3: Cross multiply
    296,576.16x = 444,862.61 × 71,936.16
  4. Step 4: Simplify right side
    296,576.16x = 32,001,707,890.98
  5. Step 5: Solve for x
    x = 32,001,707,890.98/296,576.16
  6. Step 6: Final answer
    x = 107,903.84

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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.