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Finding the Fourth Proportional to 101,495.54, 151,939.99 and 61,393.16

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Solution

The fourth proportional to 101,495.54, 151,939.99 and 61,393.16 is: 91,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495.54 : 151,939.99 = 61,393.16 : x
  2. Step 2: Convert to fraction form
    101,495.54/151,939.99 = 61,393.16/x
  3. Step 3: Cross multiply
    101,495.54x = 151,939.99 × 61,393.16
  4. Step 4: Simplify right side
    101,495.54x = 9,328,075,942.84
  5. Step 5: Solve for x
    x = 9,328,075,942.84/101,495.54
  6. Step 6: Final answer
    x = 91,906.27

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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.