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Finding the Fourth Proportional to 73,265.10, 109,606.05 and 63,512.70

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Solution

The fourth proportional to 73,265.10, 109,606.05 and 63,512.70 is: 95,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,265.10 : 109,606.05 = 63,512.70 : x
  2. Step 2: Convert to fraction form
    73,265.10/109,606.05 = 63,512.70/x
  3. Step 3: Cross multiply
    73,265.10x = 109,606.05 × 63,512.70
  4. Step 4: Simplify right side
    73,265.10x = 6,961,376,171.84
  5. Step 5: Solve for x
    x = 6,961,376,171.84/73,265.10
  6. Step 6: Final answer
    x = 95,016.27

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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.