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Finding the Fourth Proportional to 60,299.68, 90,431 and 41,699.24

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Solution

The fourth proportional to 60,299.68, 90,431 and 41,699.24 is: 62,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,299.68 : 90,431 = 41,699.24 : x
  2. Step 2: Convert to fraction form
    60,299.68/90,431 = 41,699.24/x
  3. Step 3: Cross multiply
    60,299.68x = 90,431 × 41,699.24
  4. Step 4: Simplify right side
    60,299.68x = 3,770,903,972.44
  5. Step 5: Solve for x
    x = 3,770,903,972.44/60,299.68
  6. Step 6: Final answer
    x = 62,536.05

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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.