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Finding the Fourth Proportional to 94,241.76, 141,240.32 and 43,621.68

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Solution

The fourth proportional to 94,241.76, 141,240.32 and 43,621.68 is: 65,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,241.76 : 141,240.32 = 43,621.68 : x
  2. Step 2: Convert to fraction form
    94,241.76/141,240.32 = 43,621.68/x
  3. Step 3: Cross multiply
    94,241.76x = 141,240.32 × 43,621.68
  4. Step 4: Simplify right side
    94,241.76x = 6,161,140,042.14
  5. Step 5: Solve for x
    x = 6,161,140,042.14/94,241.76
  6. Step 6: Final answer
    x = 65,375.90

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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.