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Finding the Fourth Proportional to 71,563.62, 98,595.34 and 55,375.27

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Solution

The fourth proportional to 71,563.62, 98,595.34 and 55,375.27 is: 76,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,563.62 : 98,595.34 = 55,375.27 : x
  2. Step 2: Convert to fraction form
    71,563.62/98,595.34 = 55,375.27/x
  3. Step 3: Cross multiply
    71,563.62x = 98,595.34 × 55,375.27
  4. Step 4: Simplify right side
    71,563.62x = 5,459,743,188.32
  5. Step 5: Solve for x
    x = 5,459,743,188.32/71,563.62
  6. Step 6: Final answer
    x = 76,292.16

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Why These Related Problems?

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