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Finding the Fourth Proportional to 71,395.48, 98,524.12 and 41,180.88

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Solution

The fourth proportional to 71,395.48, 98,524.12 and 41,180.88 is: 56,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,395.48 : 98,524.12 = 41,180.88 : x
  2. Step 2: Convert to fraction form
    71,395.48/98,524.12 = 41,180.88/x
  3. Step 3: Cross multiply
    71,395.48x = 98,524.12 × 41,180.88
  4. Step 4: Simplify right side
    71,395.48x = 4,057,309,962.83
  5. Step 5: Solve for x
    x = 4,057,309,962.83/71,395.48
  6. Step 6: Final answer
    x = 56,828.67

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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.