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Finding the Fourth Proportional to 108,552.69, 162,548.55 and 74,922.44

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Solution

The fourth proportional to 108,552.69, 162,548.55 and 74,922.44 is: 112,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,552.69 : 162,548.55 = 74,922.44 : x
  2. Step 2: Convert to fraction form
    108,552.69/162,548.55 = 74,922.44/x
  3. Step 3: Cross multiply
    108,552.69x = 162,548.55 × 74,922.44
  4. Step 4: Simplify right side
    108,552.69x = 12,178,533,171.72
  5. Step 5: Solve for x
    x = 12,178,533,171.72/108,552.69
  6. Step 6: Final answer
    x = 112,190.06

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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.