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Finding the Fourth Proportional to 108,448.65, 162,681.17 and 33,576.70

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Solution

The fourth proportional to 108,448.65, 162,681.17 and 33,576.70 is: 50,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,448.65 : 162,681.17 = 33,576.70 : x
  2. Step 2: Convert to fraction form
    108,448.65/162,681.17 = 33,576.70/x
  3. Step 3: Cross multiply
    108,448.65x = 162,681.17 × 33,576.70
  4. Step 4: Simplify right side
    108,448.65x = 5,462,296,840.74
  5. Step 5: Solve for x
    x = 5,462,296,840.74/108,448.65
  6. Step 6: Final answer
    x = 50,367.59

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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.