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Finding the Fourth Proportional to 96,586.20, 144,879.30 and 49,201.20

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Solution

The fourth proportional to 96,586.20, 144,879.30 and 49,201.20 is: 73,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,586.20 : 144,879.30 = 49,201.20 : x
  2. Step 2: Convert to fraction form
    96,586.20/144,879.30 = 49,201.20/x
  3. Step 3: Cross multiply
    96,586.20x = 144,879.30 × 49,201.20
  4. Step 4: Simplify right side
    96,586.20x = 7,128,235,415.16
  5. Step 5: Solve for x
    x = 7,128,235,415.16/96,586.20
  6. Step 6: Final answer
    x = 73,801.80

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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.