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Finding the Fourth Proportional to 69,937.98, 104,998.42 and 41,526.78

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Solution

The fourth proportional to 69,937.98, 104,998.42 and 41,526.78 is: 62,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.98 : 104,998.42 = 41,526.78 : x
  2. Step 2: Convert to fraction form
    69,937.98/104,998.42 = 41,526.78/x
  3. Step 3: Cross multiply
    69,937.98x = 104,998.42 × 41,526.78
  4. Step 4: Simplify right side
    69,937.98x = 4,360,246,287.69
  5. Step 5: Solve for x
    x = 4,360,246,287.69/69,937.98
  6. Step 6: Final answer
    x = 62,344.47

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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.