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Finding the Fourth Proportional to 71,353.53, 98,467.68 and 41,138.71

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Solution

The fourth proportional to 71,353.53, 98,467.68 and 41,138.71 is: 56,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.53 : 98,467.68 = 41,138.71 : x
  2. Step 2: Convert to fraction form
    71,353.53/98,467.68 = 41,138.71/x
  3. Step 3: Cross multiply
    71,353.53x = 98,467.68 × 41,138.71
  4. Step 4: Simplify right side
    71,353.53x = 4,050,833,331.89
  5. Step 5: Solve for x
    x = 4,050,833,331.89/71,353.53
  6. Step 6: Final answer
    x = 56,771.31

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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.