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Finding the Fourth Proportional to 108,870.44, 163,280.80 and 29,991.56

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Solution

The fourth proportional to 108,870.44, 163,280.80 and 29,991.56 is: 44,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870.44 : 163,280.80 = 29,991.56 : x
  2. Step 2: Convert to fraction form
    108,870.44/163,280.80 = 29,991.56/x
  3. Step 3: Cross multiply
    108,870.44x = 163,280.80 × 29,991.56
  4. Step 4: Simplify right side
    108,870.44x = 4,897,045,910.05
  5. Step 5: Solve for x
    x = 4,897,045,910.05/108,870.44
  6. Step 6: Final answer
    x = 44,980.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.