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Finding the Fourth Proportional to 320,955.01, 481,362.80 and 96,255.11

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Solution

The fourth proportional to 320,955.01, 481,362.80 and 96,255.11 is: 144,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,955.01 : 481,362.80 = 96,255.11 : x
  2. Step 2: Convert to fraction form
    320,955.01/481,362.80 = 96,255.11/x
  3. Step 3: Cross multiply
    320,955.01x = 481,362.80 × 96,255.11
  4. Step 4: Simplify right side
    320,955.01x = 46,333,629,173.64
  5. Step 5: Solve for x
    x = 46,333,629,173.64/320,955.01
  6. Step 6: Final answer
    x = 144,361.76

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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.