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Finding the Fourth Proportional to 104,561.37, 157,629.87 and 97,796.25

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Solution

The fourth proportional to 104,561.37, 157,629.87 and 97,796.25 is: 147,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,561.37 : 157,629.87 = 97,796.25 : x
  2. Step 2: Convert to fraction form
    104,561.37/157,629.87 = 97,796.25/x
  3. Step 3: Cross multiply
    104,561.37x = 157,629.87 × 97,796.25
  4. Step 4: Simplify right side
    104,561.37x = 15,415,610,173.99
  5. Step 5: Solve for x
    x = 15,415,610,173.99/104,561.37
  6. Step 6: Final answer
    x = 147,431.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.