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Finding the Fourth Proportional to 320,702.52, 481,131.54 and 96,062.52

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Solution

The fourth proportional to 320,702.52, 481,131.54 and 96,062.52 is: 144,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,702.52 : 481,131.54 = 96,062.52 : x
  2. Step 2: Convert to fraction form
    320,702.52/481,131.54 = 96,062.52/x
  3. Step 3: Cross multiply
    320,702.52x = 481,131.54 × 96,062.52
  4. Step 4: Simplify right side
    320,702.52x = 46,218,708,183.88
  5. Step 5: Solve for x
    x = 46,218,708,183.88/320,702.52
  6. Step 6: Final answer
    x = 144,117.07

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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.