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Finding the Fourth Proportional to 69,918.54, 104,969.29 and 41,507.37

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Solution

The fourth proportional to 69,918.54, 104,969.29 and 41,507.37 is: 62,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.54 : 104,969.29 = 41,507.37 : x
  2. Step 2: Convert to fraction form
    69,918.54/104,969.29 = 41,507.37/x
  3. Step 3: Cross multiply
    69,918.54x = 104,969.29 × 41,507.37
  4. Step 4: Simplify right side
    69,918.54x = 4,356,999,158.67
  5. Step 5: Solve for x
    x = 4,356,999,158.67/69,918.54
  6. Step 6: Final answer
    x = 62,315.36

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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.