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Finding the Fourth Proportional to 108,773.62, 163,226.13 and 38,647.60

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Solution

The fourth proportional to 108,773.62, 163,226.13 and 38,647.60 is: 57,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773.62 : 163,226.13 = 38,647.60 : x
  2. Step 2: Convert to fraction form
    108,773.62/163,226.13 = 38,647.60/x
  3. Step 3: Cross multiply
    108,773.62x = 163,226.13 × 38,647.60
  4. Step 4: Simplify right side
    108,773.62x = 6,308,298,181.79
  5. Step 5: Solve for x
    x = 6,308,298,181.79/108,773.62
  6. Step 6: Final answer
    x = 57,994.74

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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.