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Finding the Fourth Proportional to 63,706.60, 95,579.10 and 34,138.60

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Solution

The fourth proportional to 63,706.60, 95,579.10 and 34,138.60 is: 51,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706.60 : 95,579.10 = 34,138.60 : x
  2. Step 2: Convert to fraction form
    63,706.60/95,579.10 = 34,138.60/x
  3. Step 3: Cross multiply
    63,706.60x = 95,579.10 × 34,138.60
  4. Step 4: Simplify right side
    63,706.60x = 3,262,936,663.26
  5. Step 5: Solve for x
    x = 3,262,936,663.26/63,706.60
  6. Step 6: Final answer
    x = 51,218.19

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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.