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Finding the Fourth Proportional to 79,105.87, 109,169.04 and 45,114.04

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Solution

The fourth proportional to 79,105.87, 109,169.04 and 45,114.04 is: 62,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,105.87 : 109,169.04 = 45,114.04 : x
  2. Step 2: Convert to fraction form
    79,105.87/109,169.04 = 45,114.04/x
  3. Step 3: Cross multiply
    79,105.87x = 109,169.04 × 45,114.04
  4. Step 4: Simplify right side
    79,105.87x = 4,925,056,437.32
  5. Step 5: Solve for x
    x = 4,925,056,437.32/79,105.87
  6. Step 6: Final answer
    x = 62,259.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.