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Finding the Fourth Proportional to 112,029.60, 168,049.04 and 52,114.32

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Solution

The fourth proportional to 112,029.60, 168,049.04 and 52,114.32 is: 78,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.60 : 168,049.04 = 52,114.32 : x
  2. Step 2: Convert to fraction form
    112,029.60/168,049.04 = 52,114.32/x
  3. Step 3: Cross multiply
    112,029.60x = 168,049.04 × 52,114.32
  4. Step 4: Simplify right side
    112,029.60x = 8,757,761,446.25
  5. Step 5: Solve for x
    x = 8,757,761,446.25/112,029.60
  6. Step 6: Final answer
    x = 78,173.64

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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.