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Finding the Fourth Proportional to 320,699.52, 481,127.04 and 96,059.52

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Solution

The fourth proportional to 320,699.52, 481,127.04 and 96,059.52 is: 144,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,699.52 : 481,127.04 = 96,059.52 : x
  2. Step 2: Convert to fraction form
    320,699.52/481,127.04 = 96,059.52/x
  3. Step 3: Cross multiply
    320,699.52x = 481,127.04 × 96,059.52
  4. Step 4: Simplify right side
    320,699.52x = 46,216,832,521.42
  5. Step 5: Solve for x
    x = 46,216,832,521.42/320,699.52
  6. Step 6: Final answer
    x = 144,112.57

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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.