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Finding the Fourth Proportional to 108,746.82, 163,118.21 and 44,691.48

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Solution

The fourth proportional to 108,746.82, 163,118.21 and 44,691.48 is: 67,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,746.82 : 163,118.21 = 44,691.48 : x
  2. Step 2: Convert to fraction form
    108,746.82/163,118.21 = 44,691.48/x
  3. Step 3: Cross multiply
    108,746.82x = 163,118.21 × 44,691.48
  4. Step 4: Simplify right side
    108,746.82x = 7,289,993,996.39
  5. Step 5: Solve for x
    x = 7,289,993,996.39/108,746.82
  6. Step 6: Final answer
    x = 67,036.39

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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.