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Finding the Fourth Proportional to 78,863.10, 118,251.45 and 32,063.10

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Solution

The fourth proportional to 78,863.10, 118,251.45 and 32,063.10 is: 48,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,863.10 : 118,251.45 = 32,063.10 : x
  2. Step 2: Convert to fraction form
    78,863.10/118,251.45 = 32,063.10/x
  3. Step 3: Cross multiply
    78,863.10x = 118,251.45 × 32,063.10
  4. Step 4: Simplify right side
    78,863.10x = 3,791,508,066.50
  5. Step 5: Solve for x
    x = 3,791,508,066.50/78,863.10
  6. Step 6: Final answer
    x = 48,077.09

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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.