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Finding the Fourth Proportional to 108,469.74, 162,710.40 and 33,641.58

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Solution

The fourth proportional to 108,469.74, 162,710.40 and 33,641.58 is: 50,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,469.74 : 162,710.40 = 33,641.58 : x
  2. Step 2: Convert to fraction form
    108,469.74/162,710.40 = 33,641.58/x
  3. Step 3: Cross multiply
    108,469.74x = 162,710.40 × 33,641.58
  4. Step 4: Simplify right side
    108,469.74x = 5,473,834,938.43
  5. Step 5: Solve for x
    x = 5,473,834,938.43/108,469.74
  6. Step 6: Final answer
    x = 50,464.17

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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.